Home / 33,182.96-45,789.14-20,434.10

Finding the Fourth Proportional to 33,182.96, 45,789.14 and 20,434.10

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Solution

The fourth proportional to 33,182.96, 45,789.14 and 20,434.10 is: 28,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.96 : 45,789.14 = 20,434.10 : x
  2. Step 2: Convert to fraction form
    33,182.96/45,789.14 = 20,434.10/x
  3. Step 3: Cross multiply
    33,182.96x = 45,789.14 × 20,434.10
  4. Step 4: Simplify right side
    33,182.96x = 935,659,865.67
  5. Step 5: Solve for x
    x = 935,659,865.67/33,182.96
  6. Step 6: Final answer
    x = 28,197.00

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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.