Home / 19,787.14-29,695.23-15,938.02

Finding the Fourth Proportional to 19,787.14, 29,695.23 and 15,938.02

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Solution

The fourth proportional to 19,787.14, 29,695.23 and 15,938.02 is: 23,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.14 : 29,695.23 = 15,938.02 : x
  2. Step 2: Convert to fraction form
    19,787.14/29,695.23 = 15,938.02/x
  3. Step 3: Cross multiply
    19,787.14x = 29,695.23 × 15,938.02
  4. Step 4: Simplify right side
    19,787.14x = 473,283,169.64
  5. Step 5: Solve for x
    x = 473,283,169.64/19,787.14
  6. Step 6: Final answer
    x = 23,918.73

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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.