Home / 22,550.86-31,132.70-13,600.63

Finding the Fourth Proportional to 22,550.86, 31,132.70 and 13,600.63

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Solution

The fourth proportional to 22,550.86, 31,132.70 and 13,600.63 is: 18,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,550.86 : 31,132.70 = 13,600.63 : x
  2. Step 2: Convert to fraction form
    22,550.86/31,132.70 = 13,600.63/x
  3. Step 3: Cross multiply
    22,550.86x = 31,132.70 × 13,600.63
  4. Step 4: Simplify right side
    22,550.86x = 423,424,333.60
  5. Step 5: Solve for x
    x = 423,424,333.60/22,550.86
  6. Step 6: Final answer
    x = 18,776.42

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Double scale
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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.