Home / 19,561.29-26,994.10-11,177.25

Finding the Fourth Proportional to 19,561.29, 26,994.10 and 11,177.25

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Solution

The fourth proportional to 19,561.29, 26,994.10 and 11,177.25 is: 15,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.29 : 26,994.10 = 11,177.25 : x
  2. Step 2: Convert to fraction form
    19,561.29/26,994.10 = 11,177.25/x
  3. Step 3: Cross multiply
    19,561.29x = 26,994.10 × 11,177.25
  4. Step 4: Simplify right side
    19,561.29x = 301,719,804.23
  5. Step 5: Solve for x
    x = 301,719,804.23/19,561.29
  6. Step 6: Final answer
    x = 15,424.33

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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.