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Finding the Fourth Proportional to 24,687.54, 34,068.75 and 13,357

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Solution

The fourth proportional to 24,687.54, 34,068.75 and 13,357 is: 18,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,687.54 : 34,068.75 = 13,357 : x
  2. Step 2: Convert to fraction form
    24,687.54/34,068.75 = 13,357/x
  3. Step 3: Cross multiply
    24,687.54x = 34,068.75 × 13,357
  4. Step 4: Simplify right side
    24,687.54x = 455,056,293.75
  5. Step 5: Solve for x
    x = 455,056,293.75/24,687.54
  6. Step 6: Final answer
    x = 18,432.63

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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.