Home / 15,959.20-23,882.10-13,901.80

Finding the Fourth Proportional to 15,959.20, 23,882.10 and 13,901.80

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Solution

The fourth proportional to 15,959.20, 23,882.10 and 13,901.80 is: 20,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.20 : 23,882.10 = 13,901.80 : x
  2. Step 2: Convert to fraction form
    15,959.20/23,882.10 = 13,901.80/x
  3. Step 3: Cross multiply
    15,959.20x = 23,882.10 × 13,901.80
  4. Step 4: Simplify right side
    15,959.20x = 332,004,177.78
  5. Step 5: Solve for x
    x = 332,004,177.78/15,959.20
  6. Step 6: Final answer
    x = 20,803.31

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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.