Home / 19,248.09-26,556.56-11,180.19

Finding the Fourth Proportional to 19,248.09, 26,556.56 and 11,180.19

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Solution

The fourth proportional to 19,248.09, 26,556.56 and 11,180.19 is: 15,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.09 : 26,556.56 = 11,180.19 : x
  2. Step 2: Convert to fraction form
    19,248.09/26,556.56 = 11,180.19/x
  3. Step 3: Cross multiply
    19,248.09x = 26,556.56 × 11,180.19
  4. Step 4: Simplify right side
    19,248.09x = 296,907,386.55
  5. Step 5: Solve for x
    x = 296,907,386.55/19,248.09
  6. Step 6: Final answer
    x = 15,425.29

Related Problems

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Half scale
Find fourth proportional to 38,496.18, 53,113.12 and 22,360.38
Double scale
Find fourth proportional to 19,249.09, 26,557.94 and 11,181.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.