Home / 22,160.20-30,566.34-14,189.80

Finding the Fourth Proportional to 22,160.20, 30,566.34 and 14,189.80

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Solution

The fourth proportional to 22,160.20, 30,566.34 and 14,189.80 is: 19,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.20 : 30,566.34 = 14,189.80 : x
  2. Step 2: Convert to fraction form
    22,160.20/30,566.34 = 14,189.80/x
  3. Step 3: Cross multiply
    22,160.20x = 30,566.34 × 14,189.80
  4. Step 4: Simplify right side
    22,160.20x = 433,730,251.33
  5. Step 5: Solve for x
    x = 433,730,251.33/22,160.20
  6. Step 6: Final answer
    x = 19,572.49

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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.