Home / 25,366.20-38,122.20-22,158.60

Finding the Fourth Proportional to 25,366.20, 38,122.20 and 22,158.60

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Solution

The fourth proportional to 25,366.20, 38,122.20 and 22,158.60 is: 33,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.20 : 38,122.20 = 22,158.60 : x
  2. Step 2: Convert to fraction form
    25,366.20/38,122.20 = 22,158.60/x
  3. Step 3: Cross multiply
    25,366.20x = 38,122.20 × 22,158.60
  4. Step 4: Simplify right side
    25,366.20x = 844,734,580.92
  5. Step 5: Solve for x
    x = 844,734,580.92/25,366.20
  6. Step 6: Final answer
    x = 33,301.58

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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.