Home / 13,355.43-20,042.98-6,335.46

Finding the Fourth Proportional to 13,355.43, 20,042.98 and 6,335.46

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Solution

The fourth proportional to 13,355.43, 20,042.98 and 6,335.46 is: 9,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.43 : 20,042.98 = 6,335.46 : x
  2. Step 2: Convert to fraction form
    13,355.43/20,042.98 = 6,335.46/x
  3. Step 3: Cross multiply
    13,355.43x = 20,042.98 × 6,335.46
  4. Step 4: Simplify right side
    13,355.43x = 126,981,498.07
  5. Step 5: Solve for x
    x = 126,981,498.07/13,355.43
  6. Step 6: Final answer
    x = 9,507.86

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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.