Home / 16,385.54-22,587.97-11,590.71

Finding the Fourth Proportional to 16,385.54, 22,587.97 and 11,590.71

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Solution

The fourth proportional to 16,385.54, 22,587.97 and 11,590.71 is: 15,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.54 : 22,587.97 = 11,590.71 : x
  2. Step 2: Convert to fraction form
    16,385.54/22,587.97 = 11,590.71/x
  3. Step 3: Cross multiply
    16,385.54x = 22,587.97 × 11,590.71
  4. Step 4: Simplify right side
    16,385.54x = 261,810,517.81
  5. Step 5: Solve for x
    x = 261,810,517.81/16,385.54
  6. Step 6: Final answer
    x = 15,978.15

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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.