Home / 14,529.60-20,049.24-8,155.38

Finding the Fourth Proportional to 14,529.60, 20,049.24 and 8,155.38

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Solution

The fourth proportional to 14,529.60, 20,049.24 and 8,155.38 is: 11,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.60 : 20,049.24 = 8,155.38 : x
  2. Step 2: Convert to fraction form
    14,529.60/20,049.24 = 8,155.38/x
  3. Step 3: Cross multiply
    14,529.60x = 20,049.24 × 8,155.38
  4. Step 4: Simplify right side
    14,529.60x = 163,509,170.91
  5. Step 5: Solve for x
    x = 163,509,170.91/14,529.60
  6. Step 6: Final answer
    x = 11,253.52

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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.