Home / 25,626.61-38,451.01-13,766.55

Finding the Fourth Proportional to 25,626.61, 38,451.01 and 13,766.55

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Solution

The fourth proportional to 25,626.61, 38,451.01 and 13,766.55 is: 20,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.61 : 38,451.01 = 13,766.55 : x
  2. Step 2: Convert to fraction form
    25,626.61/38,451.01 = 13,766.55/x
  3. Step 3: Cross multiply
    25,626.61x = 38,451.01 × 13,766.55
  4. Step 4: Simplify right side
    25,626.61x = 529,337,751.72
  5. Step 5: Solve for x
    x = 529,337,751.72/25,626.61
  6. Step 6: Final answer
    x = 20,655.79

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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.