Home / 14,927.38-20,600.79-9,882.88

Finding the Fourth Proportional to 14,927.38, 20,600.79 and 9,882.88

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Solution

The fourth proportional to 14,927.38, 20,600.79 and 9,882.88 is: 13,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.38 : 20,600.79 = 9,882.88 : x
  2. Step 2: Convert to fraction form
    14,927.38/20,600.79 = 9,882.88/x
  3. Step 3: Cross multiply
    14,927.38x = 20,600.79 × 9,882.88
  4. Step 4: Simplify right side
    14,927.38x = 203,595,135.48
  5. Step 5: Solve for x
    x = 203,595,135.48/14,927.38
  6. Step 6: Final answer
    x = 13,639.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.