Home / 15,920.56-23,881.38-4,233.79

Finding the Fourth Proportional to 15,920.56, 23,881.38 and 4,233.79

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Solution

The fourth proportional to 15,920.56, 23,881.38 and 4,233.79 is: 6,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.56 : 23,881.38 = 4,233.79 : x
  2. Step 2: Convert to fraction form
    15,920.56/23,881.38 = 4,233.79/x
  3. Step 3: Cross multiply
    15,920.56x = 23,881.38 × 4,233.79
  4. Step 4: Simplify right side
    15,920.56x = 101,108,747.83
  5. Step 5: Solve for x
    x = 101,108,747.83/15,920.56
  6. Step 6: Final answer
    x = 6,350.83

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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.