Home / 23,025.38-31,772.45-12,953.61

Finding the Fourth Proportional to 23,025.38, 31,772.45 and 12,953.61

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Solution

The fourth proportional to 23,025.38, 31,772.45 and 12,953.61 is: 17,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,025.38 : 31,772.45 = 12,953.61 : x
  2. Step 2: Convert to fraction form
    23,025.38/31,772.45 = 12,953.61/x
  3. Step 3: Cross multiply
    23,025.38x = 31,772.45 × 12,953.61
  4. Step 4: Simplify right side
    23,025.38x = 411,567,861.28
  5. Step 5: Solve for x
    x = 411,567,861.28/23,025.38
  6. Step 6: Final answer
    x = 17,874.53

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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.