Home / 15,049.47-20,757.95-10,325.55

Finding the Fourth Proportional to 15,049.47, 20,757.95 and 10,325.55

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Solution

The fourth proportional to 15,049.47, 20,757.95 and 10,325.55 is: 14,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.47 : 20,757.95 = 10,325.55 : x
  2. Step 2: Convert to fraction form
    15,049.47/20,757.95 = 10,325.55/x
  3. Step 3: Cross multiply
    15,049.47x = 20,757.95 × 10,325.55
  4. Step 4: Simplify right side
    15,049.47x = 214,337,250.62
  5. Step 5: Solve for x
    x = 214,337,250.62/15,049.47
  6. Step 6: Final answer
    x = 14,242.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.