Home / 16,402.08-22,642.20-11,112.96

Finding the Fourth Proportional to 16,402.08, 22,642.20 and 11,112.96

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Solution

The fourth proportional to 16,402.08, 22,642.20 and 11,112.96 is: 15,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.08 : 22,642.20 = 11,112.96 : x
  2. Step 2: Convert to fraction form
    16,402.08/22,642.20 = 11,112.96/x
  3. Step 3: Cross multiply
    16,402.08x = 22,642.20 × 11,112.96
  4. Step 4: Simplify right side
    16,402.08x = 251,621,862.91
  5. Step 5: Solve for x
    x = 251,621,862.91/16,402.08
  6. Step 6: Final answer
    x = 15,340.85

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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.