Home / 29,618.60-40,874.76-16,190.76

Finding the Fourth Proportional to 29,618.60, 40,874.76 and 16,190.76

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Solution

The fourth proportional to 29,618.60, 40,874.76 and 16,190.76 is: 22,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.60 : 40,874.76 = 16,190.76 : x
  2. Step 2: Convert to fraction form
    29,618.60/40,874.76 = 16,190.76/x
  3. Step 3: Cross multiply
    29,618.60x = 40,874.76 × 16,190.76
  4. Step 4: Simplify right side
    29,618.60x = 661,793,429.22
  5. Step 5: Solve for x
    x = 661,793,429.22/29,618.60
  6. Step 6: Final answer
    x = 22,343.85

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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.