Home / 15,424.44-23,132.61-5,561.88

Finding the Fourth Proportional to 15,424.44, 23,132.61 and 5,561.88

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Solution

The fourth proportional to 15,424.44, 23,132.61 and 5,561.88 is: 8,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.44 : 23,132.61 = 5,561.88 : x
  2. Step 2: Convert to fraction form
    15,424.44/23,132.61 = 5,561.88/x
  3. Step 3: Cross multiply
    15,424.44x = 23,132.61 × 5,561.88
  4. Step 4: Simplify right side
    15,424.44x = 128,660,800.91
  5. Step 5: Solve for x
    x = 128,660,800.91/15,424.44
  6. Step 6: Final answer
    x = 8,341.36

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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.