Home / 15,979.52-22,049.66-9,263.72

Finding the Fourth Proportional to 15,979.52, 22,049.66 and 9,263.72

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Solution

The fourth proportional to 15,979.52, 22,049.66 and 9,263.72 is: 12,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.52 : 22,049.66 = 9,263.72 : x
  2. Step 2: Convert to fraction form
    15,979.52/22,049.66 = 9,263.72/x
  3. Step 3: Cross multiply
    15,979.52x = 22,049.66 × 9,263.72
  4. Step 4: Simplify right side
    15,979.52x = 204,261,876.34
  5. Step 5: Solve for x
    x = 204,261,876.34/15,979.52
  6. Step 6: Final answer
    x = 12,782.73

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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.