Home / 22,666.96-31,270.36-15,105.92

Finding the Fourth Proportional to 22,666.96, 31,270.36 and 15,105.92

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Solution

The fourth proportional to 22,666.96, 31,270.36 and 15,105.92 is: 20,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.96 : 31,270.36 = 15,105.92 : x
  2. Step 2: Convert to fraction form
    22,666.96/31,270.36 = 15,105.92/x
  3. Step 3: Cross multiply
    22,666.96x = 31,270.36 × 15,105.92
  4. Step 4: Simplify right side
    22,666.96x = 472,367,556.53
  5. Step 5: Solve for x
    x = 472,367,556.53/22,666.96
  6. Step 6: Final answer
    x = 20,839.48

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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.