Home / 15,041.88-22,561.38-5,179.80

Finding the Fourth Proportional to 15,041.88, 22,561.38 and 5,179.80

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Solution

The fourth proportional to 15,041.88, 22,561.38 and 5,179.80 is: 7,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.88 : 22,561.38 = 5,179.80 : x
  2. Step 2: Convert to fraction form
    15,041.88/22,561.38 = 5,179.80/x
  3. Step 3: Cross multiply
    15,041.88x = 22,561.38 × 5,179.80
  4. Step 4: Simplify right side
    15,041.88x = 116,863,436.12
  5. Step 5: Solve for x
    x = 116,863,436.12/15,041.88
  6. Step 6: Final answer
    x = 7,769.20

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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.