Home / 22,113.72-30,543.48-16,135.92

Finding the Fourth Proportional to 22,113.72, 30,543.48 and 16,135.92

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Solution

The fourth proportional to 22,113.72, 30,543.48 and 16,135.92 is: 22,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.72 : 30,543.48 = 16,135.92 : x
  2. Step 2: Convert to fraction form
    22,113.72/30,543.48 = 16,135.92/x
  3. Step 3: Cross multiply
    22,113.72x = 30,543.48 × 16,135.92
  4. Step 4: Simplify right side
    22,113.72x = 492,847,149.80
  5. Step 5: Solve for x
    x = 492,847,149.80/22,113.72
  6. Step 6: Final answer
    x = 22,286.94

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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.