Home / 25,565.10-38,142.30-22,758.45

Finding the Fourth Proportional to 25,565.10, 38,142.30 and 22,758.45

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Solution

The fourth proportional to 25,565.10, 38,142.30 and 22,758.45 is: 33,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.10 : 38,142.30 = 22,758.45 : x
  2. Step 2: Convert to fraction form
    25,565.10/38,142.30 = 22,758.45/x
  3. Step 3: Cross multiply
    25,565.10x = 38,142.30 × 22,758.45
  4. Step 4: Simplify right side
    25,565.10x = 868,059,627.44
  5. Step 5: Solve for x
    x = 868,059,627.44/25,565.10
  6. Step 6: Final answer
    x = 33,954.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.