Home / 13,711.46-20,551.65-6,300.61

Finding the Fourth Proportional to 13,711.46, 20,551.65 and 6,300.61

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Solution

The fourth proportional to 13,711.46, 20,551.65 and 6,300.61 is: 9,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.46 : 20,551.65 = 6,300.61 : x
  2. Step 2: Convert to fraction form
    13,711.46/20,551.65 = 6,300.61/x
  3. Step 3: Cross multiply
    13,711.46x = 20,551.65 × 6,300.61
  4. Step 4: Simplify right side
    13,711.46x = 129,487,932.02
  5. Step 5: Solve for x
    x = 129,487,932.02/13,711.46
  6. Step 6: Final answer
    x = 9,443.77

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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.