Home / 14,755.28-22,114.68-12,660.56

Finding the Fourth Proportional to 14,755.28, 22,114.68 and 12,660.56

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Solution

The fourth proportional to 14,755.28, 22,114.68 and 12,660.56 is: 18,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.28 : 22,114.68 = 12,660.56 : x
  2. Step 2: Convert to fraction form
    14,755.28/22,114.68 = 12,660.56/x
  3. Step 3: Cross multiply
    14,755.28x = 22,114.68 × 12,660.56
  4. Step 4: Simplify right side
    14,755.28x = 279,984,233.02
  5. Step 5: Solve for x
    x = 279,984,233.02/14,755.28
  6. Step 6: Final answer
    x = 18,975.19

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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.