Home / 25,518-38,257.56-17,200.11

Finding the Fourth Proportional to 25,518, 38,257.56 and 17,200.11

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Solution

The fourth proportional to 25,518, 38,257.56 and 17,200.11 is: 25,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518 : 38,257.56 = 17,200.11 : x
  2. Step 2: Convert to fraction form
    25,518/38,257.56 = 17,200.11/x
  3. Step 3: Cross multiply
    25,518x = 38,257.56 × 17,200.11
  4. Step 4: Simplify right side
    25,518x = 658,034,240.33
  5. Step 5: Solve for x
    x = 658,034,240.33/25,518
  6. Step 6: Final answer
    x = 25,787.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.