Home / 33,387.12-50,104.80-13,126.92

Finding the Fourth Proportional to 33,387.12, 50,104.80 and 13,126.92

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Solution

The fourth proportional to 33,387.12, 50,104.80 and 13,126.92 is: 19,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.12 : 50,104.80 = 13,126.92 : x
  2. Step 2: Convert to fraction form
    33,387.12/50,104.80 = 13,126.92/x
  3. Step 3: Cross multiply
    33,387.12x = 50,104.80 × 13,126.92
  4. Step 4: Simplify right side
    33,387.12x = 657,721,701.22
  5. Step 5: Solve for x
    x = 657,721,701.22/33,387.12
  6. Step 6: Final answer
    x = 19,699.86

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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.