Home / 22,169.04-30,593.60-13,221.74

Finding the Fourth Proportional to 22,169.04, 30,593.60 and 13,221.74

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Solution

The fourth proportional to 22,169.04, 30,593.60 and 13,221.74 is: 18,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.04 : 30,593.60 = 13,221.74 : x
  2. Step 2: Convert to fraction form
    22,169.04/30,593.60 = 13,221.74/x
  3. Step 3: Cross multiply
    22,169.04x = 30,593.60 × 13,221.74
  4. Step 4: Simplify right side
    22,169.04x = 404,500,624.86
  5. Step 5: Solve for x
    x = 404,500,624.86/22,169.04
  6. Step 6: Final answer
    x = 18,246.19

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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.