Home / 20,082.24-30,123.66-5,292.65

Finding the Fourth Proportional to 20,082.24, 30,123.66 and 5,292.65

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Solution

The fourth proportional to 20,082.24, 30,123.66 and 5,292.65 is: 7,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.24 : 30,123.66 = 5,292.65 : x
  2. Step 2: Convert to fraction form
    20,082.24/30,123.66 = 5,292.65/x
  3. Step 3: Cross multiply
    20,082.24x = 30,123.66 × 5,292.65
  4. Step 4: Simplify right side
    20,082.24x = 159,433,989.10
  5. Step 5: Solve for x
    x = 159,433,989.10/20,082.24
  6. Step 6: Final answer
    x = 7,939.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.