Home / 23,035.98-31,781.52-15,082.59

Finding the Fourth Proportional to 23,035.98, 31,781.52 and 15,082.59

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Solution

The fourth proportional to 23,035.98, 31,781.52 and 15,082.59 is: 20,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,035.98 : 31,781.52 = 15,082.59 : x
  2. Step 2: Convert to fraction form
    23,035.98/31,781.52 = 15,082.59/x
  3. Step 3: Cross multiply
    23,035.98x = 31,781.52 × 15,082.59
  4. Step 4: Simplify right side
    23,035.98x = 479,347,635.74
  5. Step 5: Solve for x
    x = 479,347,635.74/23,035.98
  6. Step 6: Final answer
    x = 20,808.65

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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.