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Finding the Fourth Proportional to 18,525.71, 25,559.17 and 10,458.41

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Solution

The fourth proportional to 18,525.71, 25,559.17 and 10,458.41 is: 14,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.71 : 25,559.17 = 10,458.41 : x
  2. Step 2: Convert to fraction form
    18,525.71/25,559.17 = 10,458.41/x
  3. Step 3: Cross multiply
    18,525.71x = 25,559.17 × 10,458.41
  4. Step 4: Simplify right side
    18,525.71x = 267,308,279.12
  5. Step 5: Solve for x
    x = 267,308,279.12/18,525.71
  6. Step 6: Final answer
    x = 14,429.04

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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.