Home / 15,049.08-20,771.15-9,382.73

Finding the Fourth Proportional to 15,049.08, 20,771.15 and 9,382.73

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Solution

The fourth proportional to 15,049.08, 20,771.15 and 9,382.73 is: 12,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.08 : 20,771.15 = 9,382.73 : x
  2. Step 2: Convert to fraction form
    15,049.08/20,771.15 = 9,382.73/x
  3. Step 3: Cross multiply
    15,049.08x = 20,771.15 × 9,382.73
  4. Step 4: Simplify right side
    15,049.08x = 194,889,941.47
  5. Step 5: Solve for x
    x = 194,889,941.47/15,049.08
  6. Step 6: Final answer
    x = 12,950.29

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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.