Home / 22,177.72-30,591.66-15,107.32

Finding the Fourth Proportional to 22,177.72, 30,591.66 and 15,107.32

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Solution

The fourth proportional to 22,177.72, 30,591.66 and 15,107.32 is: 20,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.72 : 30,591.66 = 15,107.32 : x
  2. Step 2: Convert to fraction form
    22,177.72/30,591.66 = 15,107.32/x
  3. Step 3: Cross multiply
    22,177.72x = 30,591.66 × 15,107.32
  4. Step 4: Simplify right side
    22,177.72x = 462,157,996.95
  5. Step 5: Solve for x
    x = 462,157,996.95/22,177.72
  6. Step 6: Final answer
    x = 20,838.84

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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.