Home / 23,685.78-32,689.14-13,614.60

Finding the Fourth Proportional to 23,685.78, 32,689.14 and 13,614.60

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Solution

The fourth proportional to 23,685.78, 32,689.14 and 13,614.60 is: 18,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.78 : 32,689.14 = 13,614.60 : x
  2. Step 2: Convert to fraction form
    23,685.78/32,689.14 = 13,614.60/x
  3. Step 3: Cross multiply
    23,685.78x = 32,689.14 × 13,614.60
  4. Step 4: Simplify right side
    23,685.78x = 445,049,565.44
  5. Step 5: Solve for x
    x = 445,049,565.44/23,685.78
  6. Step 6: Final answer
    x = 18,789.74

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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.