Home / 15,425.46-23,135.26-7,520.04

Finding the Fourth Proportional to 15,425.46, 23,135.26 and 7,520.04

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Solution

The fourth proportional to 15,425.46, 23,135.26 and 7,520.04 is: 11,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.46 : 23,135.26 = 7,520.04 : x
  2. Step 2: Convert to fraction form
    15,425.46/23,135.26 = 7,520.04/x
  3. Step 3: Cross multiply
    15,425.46x = 23,135.26 × 7,520.04
  4. Step 4: Simplify right side
    15,425.46x = 173,978,080.61
  5. Step 5: Solve for x
    x = 173,978,080.61/15,425.46
  6. Step 6: Final answer
    x = 11,278.63

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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.