Home / 23,037.92-31,780.67-13,471.55

Finding the Fourth Proportional to 23,037.92, 31,780.67 and 13,471.55

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Solution

The fourth proportional to 23,037.92, 31,780.67 and 13,471.55 is: 18,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.92 : 31,780.67 = 13,471.55 : x
  2. Step 2: Convert to fraction form
    23,037.92/31,780.67 = 13,471.55/x
  3. Step 3: Cross multiply
    23,037.92x = 31,780.67 × 13,471.55
  4. Step 4: Simplify right side
    23,037.92x = 428,134,658.68
  5. Step 5: Solve for x
    x = 428,134,658.68/23,037.92
  6. Step 6: Final answer
    x = 18,583.92

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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.