Home / 33,215.15-49,822.65-13,489.08

Finding the Fourth Proportional to 33,215.15, 49,822.65 and 13,489.08

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Solution

The fourth proportional to 33,215.15, 49,822.65 and 13,489.08 is: 20,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.15 : 49,822.65 = 13,489.08 : x
  2. Step 2: Convert to fraction form
    33,215.15/49,822.65 = 13,489.08/x
  3. Step 3: Cross multiply
    33,215.15x = 49,822.65 × 13,489.08
  4. Step 4: Simplify right side
    33,215.15x = 672,061,711.66
  5. Step 5: Solve for x
    x = 672,061,711.66/33,215.15
  6. Step 6: Final answer
    x = 20,233.59

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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.