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Finding the Fourth Proportional to 18,551, 25,600.38 and 10,167.32

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Solution

The fourth proportional to 18,551, 25,600.38 and 10,167.32 is: 14,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551 : 25,600.38 = 10,167.32 : x
  2. Step 2: Convert to fraction form
    18,551/25,600.38 = 10,167.32/x
  3. Step 3: Cross multiply
    18,551x = 25,600.38 × 10,167.32
  4. Step 4: Simplify right side
    18,551x = 260,287,255.58
  5. Step 5: Solve for x
    x = 260,287,255.58/18,551
  6. Step 6: Final answer
    x = 14,030.90

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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.