Home / 22,813.30-31,481.13-12,741.70

Finding the Fourth Proportional to 22,813.30, 31,481.13 and 12,741.70

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Solution

The fourth proportional to 22,813.30, 31,481.13 and 12,741.70 is: 17,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,813.30 : 31,481.13 = 12,741.70 : x
  2. Step 2: Convert to fraction form
    22,813.30/31,481.13 = 12,741.70/x
  3. Step 3: Cross multiply
    22,813.30x = 31,481.13 × 12,741.70
  4. Step 4: Simplify right side
    22,813.30x = 401,123,114.12
  5. Step 5: Solve for x
    x = 401,123,114.12/22,813.30
  6. Step 6: Final answer
    x = 17,582.86

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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.