Home / 19,144.29-26,419.15-10,646.23

Finding the Fourth Proportional to 19,144.29, 26,419.15 and 10,646.23

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Solution

The fourth proportional to 19,144.29, 26,419.15 and 10,646.23 is: 14,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.29 : 26,419.15 = 10,646.23 : x
  2. Step 2: Convert to fraction form
    19,144.29/26,419.15 = 10,646.23/x
  3. Step 3: Cross multiply
    19,144.29x = 26,419.15 × 10,646.23
  4. Step 4: Simplify right side
    19,144.29x = 281,264,347.30
  5. Step 5: Solve for x
    x = 281,264,347.30/19,144.29
  6. Step 6: Final answer
    x = 14,691.81

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Half scale
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Double scale
Find fourth proportional to 19,145.29, 26,420.53 and 10,647.23
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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.