Home / 15,247.12-22,871.16-5,393.20

Finding the Fourth Proportional to 15,247.12, 22,871.16 and 5,393.20

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Solution

The fourth proportional to 15,247.12, 22,871.16 and 5,393.20 is: 8,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.12 : 22,871.16 = 5,393.20 : x
  2. Step 2: Convert to fraction form
    15,247.12/22,871.16 = 5,393.20/x
  3. Step 3: Cross multiply
    15,247.12x = 22,871.16 × 5,393.20
  4. Step 4: Simplify right side
    15,247.12x = 123,348,740.11
  5. Step 5: Solve for x
    x = 123,348,740.11/15,247.12
  6. Step 6: Final answer
    x = 8,089.97

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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.