Home / 25,189.60-34,747.84-15,626.18

Finding the Fourth Proportional to 25,189.60, 34,747.84 and 15,626.18

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Solution

The fourth proportional to 25,189.60, 34,747.84 and 15,626.18 is: 21,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.60 : 34,747.84 = 15,626.18 : x
  2. Step 2: Convert to fraction form
    25,189.60/34,747.84 = 15,626.18/x
  3. Step 3: Cross multiply
    25,189.60x = 34,747.84 × 15,626.18
  4. Step 4: Simplify right side
    25,189.60x = 542,976,002.45
  5. Step 5: Solve for x
    x = 542,976,002.45/25,189.60
  6. Step 6: Final answer
    x = 21,555.56

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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.