Home / 15,115.20-22,672.80-4,726.96

Finding the Fourth Proportional to 15,115.20, 22,672.80 and 4,726.96

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Solution

The fourth proportional to 15,115.20, 22,672.80 and 4,726.96 is: 7,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.20 : 22,672.80 = 4,726.96 : x
  2. Step 2: Convert to fraction form
    15,115.20/22,672.80 = 4,726.96/x
  3. Step 3: Cross multiply
    15,115.20x = 22,672.80 × 4,726.96
  4. Step 4: Simplify right side
    15,115.20x = 107,173,418.69
  5. Step 5: Solve for x
    x = 107,173,418.69/15,115.20
  6. Step 6: Final answer
    x = 7,090.44

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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.