Home / 22,660.92-31,265.64-13,701.96

Finding the Fourth Proportional to 22,660.92, 31,265.64 and 13,701.96

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Solution

The fourth proportional to 22,660.92, 31,265.64 and 13,701.96 is: 18,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.92 : 31,265.64 = 13,701.96 : x
  2. Step 2: Convert to fraction form
    22,660.92/31,265.64 = 13,701.96/x
  3. Step 3: Cross multiply
    22,660.92x = 31,265.64 × 13,701.96
  4. Step 4: Simplify right side
    22,660.92x = 428,400,548.65
  5. Step 5: Solve for x
    x = 428,400,548.65/22,660.92
  6. Step 6: Final answer
    x = 18,904.82

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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.