Home / 23,425.81-32,327.61-12,815.66

Finding the Fourth Proportional to 23,425.81, 32,327.61 and 12,815.66

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Solution

The fourth proportional to 23,425.81, 32,327.61 and 12,815.66 is: 17,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425.81 : 32,327.61 = 12,815.66 : x
  2. Step 2: Convert to fraction form
    23,425.81/32,327.61 = 12,815.66/x
  3. Step 3: Cross multiply
    23,425.81x = 32,327.61 × 12,815.66
  4. Step 4: Simplify right side
    23,425.81x = 414,299,691.13
  5. Step 5: Solve for x
    x = 414,299,691.13/23,425.81
  6. Step 6: Final answer
    x = 17,685.61

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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.