Home / 22,177.76-30,610.32-15,107

Finding the Fourth Proportional to 22,177.76, 30,610.32 and 15,107

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Solution

The fourth proportional to 22,177.76, 30,610.32 and 15,107 is: 20,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.76 : 30,610.32 = 15,107 : x
  2. Step 2: Convert to fraction form
    22,177.76/30,610.32 = 15,107/x
  3. Step 3: Cross multiply
    22,177.76x = 30,610.32 × 15,107
  4. Step 4: Simplify right side
    22,177.76x = 462,430,104.24
  5. Step 5: Solve for x
    x = 462,430,104.24/22,177.76
  6. Step 6: Final answer
    x = 20,851.07

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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.