Home / 22,160.80-33,240.66-9,009.92

Finding the Fourth Proportional to 22,160.80, 33,240.66 and 9,009.92

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Solution

The fourth proportional to 22,160.80, 33,240.66 and 9,009.92 is: 13,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.80 : 33,240.66 = 9,009.92 : x
  2. Step 2: Convert to fraction form
    22,160.80/33,240.66 = 9,009.92/x
  3. Step 3: Cross multiply
    22,160.80x = 33,240.66 × 9,009.92
  4. Step 4: Simplify right side
    22,160.80x = 299,495,687.35
  5. Step 5: Solve for x
    x = 299,495,687.35/22,160.80
  6. Step 6: Final answer
    x = 13,514.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.