Home / 23,732.60-32,748.68-13,120.78

Finding the Fourth Proportional to 23,732.60, 32,748.68 and 13,120.78

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Solution

The fourth proportional to 23,732.60, 32,748.68 and 13,120.78 is: 18,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,732.60 : 32,748.68 = 13,120.78 : x
  2. Step 2: Convert to fraction form
    23,732.60/32,748.68 = 13,120.78/x
  3. Step 3: Cross multiply
    23,732.60x = 32,748.68 × 13,120.78
  4. Step 4: Simplify right side
    23,732.60x = 429,688,225.57
  5. Step 5: Solve for x
    x = 429,688,225.57/23,732.60
  6. Step 6: Final answer
    x = 18,105.40

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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.