Home / 22,793.14-31,455.13-12,721.53

Finding the Fourth Proportional to 22,793.14, 31,455.13 and 12,721.53

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Solution

The fourth proportional to 22,793.14, 31,455.13 and 12,721.53 is: 17,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.14 : 31,455.13 = 12,721.53 : x
  2. Step 2: Convert to fraction form
    22,793.14/31,455.13 = 12,721.53/x
  3. Step 3: Cross multiply
    22,793.14x = 31,455.13 × 12,721.53
  4. Step 4: Simplify right side
    22,793.14x = 400,157,348.15
  5. Step 5: Solve for x
    x = 400,157,348.15/22,793.14
  6. Step 6: Final answer
    x = 17,556.05

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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.