Home / 22,218.96-30,672.90-15,182.04

Finding the Fourth Proportional to 22,218.96, 30,672.90 and 15,182.04

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Solution

The fourth proportional to 22,218.96, 30,672.90 and 15,182.04 is: 20,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.96 : 30,672.90 = 15,182.04 : x
  2. Step 2: Convert to fraction form
    22,218.96/30,672.90 = 15,182.04/x
  3. Step 3: Cross multiply
    22,218.96x = 30,672.90 × 15,182.04
  4. Step 4: Simplify right side
    22,218.96x = 465,677,194.72
  5. Step 5: Solve for x
    x = 465,677,194.72/22,218.96
  6. Step 6: Final answer
    x = 20,958.55

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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.