Home / 29,082.12-40,138.38-16,506.60

Finding the Fourth Proportional to 29,082.12, 40,138.38 and 16,506.60

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Solution

The fourth proportional to 29,082.12, 40,138.38 and 16,506.60 is: 22,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,082.12 : 40,138.38 = 16,506.60 : x
  2. Step 2: Convert to fraction form
    29,082.12/40,138.38 = 16,506.60/x
  3. Step 3: Cross multiply
    29,082.12x = 40,138.38 × 16,506.60
  4. Step 4: Simplify right side
    29,082.12x = 662,548,183.31
  5. Step 5: Solve for x
    x = 662,548,183.31/29,082.12
  6. Step 6: Final answer
    x = 22,781.98

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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.