Home / 18,480.86-27,706.68-9,711.02

Finding the Fourth Proportional to 18,480.86, 27,706.68 and 9,711.02

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Solution

The fourth proportional to 18,480.86, 27,706.68 and 9,711.02 is: 14,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.86 : 27,706.68 = 9,711.02 : x
  2. Step 2: Convert to fraction form
    18,480.86/27,706.68 = 9,711.02/x
  3. Step 3: Cross multiply
    18,480.86x = 27,706.68 × 9,711.02
  4. Step 4: Simplify right side
    18,480.86x = 269,060,123.61
  5. Step 5: Solve for x
    x = 269,060,123.61/18,480.86
  6. Step 6: Final answer
    x = 14,558.85

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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.