Home / 23,502.05-32,432.64-12,891.61

Finding the Fourth Proportional to 23,502.05, 32,432.64 and 12,891.61

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Solution

The fourth proportional to 23,502.05, 32,432.64 and 12,891.61 is: 17,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,502.05 : 32,432.64 = 12,891.61 : x
  2. Step 2: Convert to fraction form
    23,502.05/32,432.64 = 12,891.61/x
  3. Step 3: Cross multiply
    23,502.05x = 32,432.64 × 12,891.61
  4. Step 4: Simplify right side
    23,502.05x = 418,108,946.15
  5. Step 5: Solve for x
    x = 418,108,946.15/23,502.05
  6. Step 6: Final answer
    x = 17,790.32

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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.