Home / 29,320.76-40,424.60-18,691.94

Finding the Fourth Proportional to 29,320.76, 40,424.60 and 18,691.94

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Solution

The fourth proportional to 29,320.76, 40,424.60 and 18,691.94 is: 25,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.76 : 40,424.60 = 18,691.94 : x
  2. Step 2: Convert to fraction form
    29,320.76/40,424.60 = 18,691.94/x
  3. Step 3: Cross multiply
    29,320.76x = 40,424.60 × 18,691.94
  4. Step 4: Simplify right side
    29,320.76x = 755,614,197.72
  5. Step 5: Solve for x
    x = 755,614,197.72/29,320.76
  6. Step 6: Final answer
    x = 25,770.62

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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.