Home / 32,679.18-45,098.55-18,534.78

Finding the Fourth Proportional to 32,679.18, 45,098.55 and 18,534.78

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Solution

The fourth proportional to 32,679.18, 45,098.55 and 18,534.78 is: 25,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.18 : 45,098.55 = 18,534.78 : x
  2. Step 2: Convert to fraction form
    32,679.18/45,098.55 = 18,534.78/x
  3. Step 3: Cross multiply
    32,679.18x = 45,098.55 × 18,534.78
  4. Step 4: Simplify right side
    32,679.18x = 835,891,702.57
  5. Step 5: Solve for x
    x = 835,891,702.57/32,679.18
  6. Step 6: Final answer
    x = 25,578.72

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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.