Home / 22,469.52-30,975.12-15,733.92

Finding the Fourth Proportional to 22,469.52, 30,975.12 and 15,733.92

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Solution

The fourth proportional to 22,469.52, 30,975.12 and 15,733.92 is: 21,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.52 : 30,975.12 = 15,733.92 : x
  2. Step 2: Convert to fraction form
    22,469.52/30,975.12 = 15,733.92/x
  3. Step 3: Cross multiply
    22,469.52x = 30,975.12 × 15,733.92
  4. Step 4: Simplify right side
    22,469.52x = 487,360,060.07
  5. Step 5: Solve for x
    x = 487,360,060.07/22,469.52
  6. Step 6: Final answer
    x = 21,689.83

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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.