Home / 22,600.32-31,191.36-12,666.24

Finding the Fourth Proportional to 22,600.32, 31,191.36 and 12,666.24

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Solution

The fourth proportional to 22,600.32, 31,191.36 and 12,666.24 is: 17,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.32 : 31,191.36 = 12,666.24 : x
  2. Step 2: Convert to fraction form
    22,600.32/31,191.36 = 12,666.24/x
  3. Step 3: Cross multiply
    22,600.32x = 31,191.36 × 12,666.24
  4. Step 4: Simplify right side
    22,600.32x = 395,077,251.69
  5. Step 5: Solve for x
    x = 395,077,251.69/22,600.32
  6. Step 6: Final answer
    x = 17,481.05

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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.