Home / 22,790.52-31,450.68-13,357.26

Finding the Fourth Proportional to 22,790.52, 31,450.68 and 13,357.26

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Solution

The fourth proportional to 22,790.52, 31,450.68 and 13,357.26 is: 18,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.52 : 31,450.68 = 13,357.26 : x
  2. Step 2: Convert to fraction form
    22,790.52/31,450.68 = 13,357.26/x
  3. Step 3: Cross multiply
    22,790.52x = 31,450.68 × 13,357.26
  4. Step 4: Simplify right side
    22,790.52x = 420,094,909.94
  5. Step 5: Solve for x
    x = 420,094,909.94/22,790.52
  6. Step 6: Final answer
    x = 18,432.88

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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.