Home / 23,747.85-32,772.60-13,678.74

Finding the Fourth Proportional to 23,747.85, 32,772.60 and 13,678.74

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Solution

The fourth proportional to 23,747.85, 32,772.60 and 13,678.74 is: 18,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,747.85 : 32,772.60 = 13,678.74 : x
  2. Step 2: Convert to fraction form
    23,747.85/32,772.60 = 13,678.74/x
  3. Step 3: Cross multiply
    23,747.85x = 32,772.60 × 13,678.74
  4. Step 4: Simplify right side
    23,747.85x = 448,287,874.52
  5. Step 5: Solve for x
    x = 448,287,874.52/23,747.85
  6. Step 6: Final answer
    x = 18,876.99

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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.