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Finding the Fourth Proportional to 18,532.70, 25,575.02 and 10,034.74

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Solution

The fourth proportional to 18,532.70, 25,575.02 and 10,034.74 is: 13,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.70 : 25,575.02 = 10,034.74 : x
  2. Step 2: Convert to fraction form
    18,532.70/25,575.02 = 10,034.74/x
  3. Step 3: Cross multiply
    18,532.70x = 25,575.02 × 10,034.74
  4. Step 4: Simplify right side
    18,532.70x = 256,638,523.54
  5. Step 5: Solve for x
    x = 256,638,523.54/18,532.70
  6. Step 6: Final answer
    x = 13,847.88

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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.