Home / 20,832.24-31,248.42-5,037.24

Finding the Fourth Proportional to 20,832.24, 31,248.42 and 5,037.24

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Solution

The fourth proportional to 20,832.24, 31,248.42 and 5,037.24 is: 7,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.24 : 31,248.42 = 5,037.24 : x
  2. Step 2: Convert to fraction form
    20,832.24/31,248.42 = 5,037.24/x
  3. Step 3: Cross multiply
    20,832.24x = 31,248.42 × 5,037.24
  4. Step 4: Simplify right side
    20,832.24x = 157,405,791.16
  5. Step 5: Solve for x
    x = 157,405,791.16/20,832.24
  6. Step 6: Final answer
    x = 7,555.87

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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.