Home / 22,170.18-30,585.07-14,997.53

Finding the Fourth Proportional to 22,170.18, 30,585.07 and 14,997.53

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Solution

The fourth proportional to 22,170.18, 30,585.07 and 14,997.53 is: 20,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.18 : 30,585.07 = 14,997.53 : x
  2. Step 2: Convert to fraction form
    22,170.18/30,585.07 = 14,997.53/x
  3. Step 3: Cross multiply
    22,170.18x = 30,585.07 × 14,997.53
  4. Step 4: Simplify right side
    22,170.18x = 458,700,543.85
  5. Step 5: Solve for x
    x = 458,700,543.85/22,170.18
  6. Step 6: Final answer
    x = 20,689.98

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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.