Home / 19,938.10-29,849.10-15,542.14

Finding the Fourth Proportional to 19,938.10, 29,849.10 and 15,542.14

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Solution

The fourth proportional to 19,938.10, 29,849.10 and 15,542.14 is: 23,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.10 : 29,849.10 = 15,542.14 : x
  2. Step 2: Convert to fraction form
    19,938.10/29,849.10 = 15,542.14/x
  3. Step 3: Cross multiply
    19,938.10x = 29,849.10 × 15,542.14
  4. Step 4: Simplify right side
    19,938.10x = 463,918,891.07
  5. Step 5: Solve for x
    x = 463,918,891.07/19,938.10
  6. Step 6: Final answer
    x = 23,267.96

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1.5x scale

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.