Home / 19,562.80-29,294.10-10,787.98

Finding the Fourth Proportional to 19,562.80, 29,294.10 and 10,787.98

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Solution

The fourth proportional to 19,562.80, 29,294.10 and 10,787.98 is: 16,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.80 : 29,294.10 = 10,787.98 : x
  2. Step 2: Convert to fraction form
    19,562.80/29,294.10 = 10,787.98/x
  3. Step 3: Cross multiply
    19,562.80x = 29,294.10 × 10,787.98
  4. Step 4: Simplify right side
    19,562.80x = 316,024,164.92
  5. Step 5: Solve for x
    x = 316,024,164.92/19,562.80
  6. Step 6: Final answer
    x = 16,154.34

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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.