Home / 15,921.24-23,881.79-4,234.46

Finding the Fourth Proportional to 15,921.24, 23,881.79 and 4,234.46

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Solution

The fourth proportional to 15,921.24, 23,881.79 and 4,234.46 is: 6,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.24 : 23,881.79 = 4,234.46 : x
  2. Step 2: Convert to fraction form
    15,921.24/23,881.79 = 4,234.46/x
  3. Step 3: Cross multiply
    15,921.24x = 23,881.79 × 4,234.46
  4. Step 4: Simplify right side
    15,921.24x = 101,126,343.90
  5. Step 5: Solve for x
    x = 101,126,343.90/15,921.24
  6. Step 6: Final answer
    x = 6,351.66

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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.