Home / 22,269.18-30,731.82-12,197.43

Finding the Fourth Proportional to 22,269.18, 30,731.82 and 12,197.43

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Solution

The fourth proportional to 22,269.18, 30,731.82 and 12,197.43 is: 16,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.18 : 30,731.82 = 12,197.43 : x
  2. Step 2: Convert to fraction form
    22,269.18/30,731.82 = 12,197.43/x
  3. Step 3: Cross multiply
    22,269.18x = 30,731.82 × 12,197.43
  4. Step 4: Simplify right side
    22,269.18x = 374,849,223.22
  5. Step 5: Solve for x
    x = 374,849,223.22/22,269.18
  6. Step 6: Final answer
    x = 16,832.65

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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.