Home / 19,909.09-29,882.11-10,055.29

Finding the Fourth Proportional to 19,909.09, 29,882.11 and 10,055.29

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Solution

The fourth proportional to 19,909.09, 29,882.11 and 10,055.29 is: 15,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.09 : 29,882.11 = 10,055.29 : x
  2. Step 2: Convert to fraction form
    19,909.09/29,882.11 = 10,055.29/x
  3. Step 3: Cross multiply
    19,909.09x = 29,882.11 × 10,055.29
  4. Step 4: Simplify right side
    19,909.09x = 300,473,082.17
  5. Step 5: Solve for x
    x = 300,473,082.17/19,909.09
  6. Step 6: Final answer
    x = 15,092.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.