Home / 23,390.91-32,275.94-13,319.73

Finding the Fourth Proportional to 23,390.91, 32,275.94 and 13,319.73

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Solution

The fourth proportional to 23,390.91, 32,275.94 and 13,319.73 is: 18,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.91 : 32,275.94 = 13,319.73 : x
  2. Step 2: Convert to fraction form
    23,390.91/32,275.94 = 13,319.73/x
  3. Step 3: Cross multiply
    23,390.91x = 32,275.94 × 13,319.73
  4. Step 4: Simplify right side
    23,390.91x = 429,906,739.70
  5. Step 5: Solve for x
    x = 429,906,739.70/23,390.91
  6. Step 6: Final answer
    x = 18,379.22

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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.