Home / 22,186.38-30,617.26-12,114.90

Finding the Fourth Proportional to 22,186.38, 30,617.26 and 12,114.90

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Solution

The fourth proportional to 22,186.38, 30,617.26 and 12,114.90 is: 16,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.38 : 30,617.26 = 12,114.90 : x
  2. Step 2: Convert to fraction form
    22,186.38/30,617.26 = 12,114.90/x
  3. Step 3: Cross multiply
    22,186.38x = 30,617.26 × 12,114.90
  4. Step 4: Simplify right side
    22,186.38x = 370,925,043.17
  5. Step 5: Solve for x
    x = 370,925,043.17/22,186.38
  6. Step 6: Final answer
    x = 16,718.59

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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.