Home / 33,254.15-45,890.78-18,146.88

Finding the Fourth Proportional to 33,254.15, 45,890.78 and 18,146.88

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Solution

The fourth proportional to 33,254.15, 45,890.78 and 18,146.88 is: 25,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,254.15 : 45,890.78 = 18,146.88 : x
  2. Step 2: Convert to fraction form
    33,254.15/45,890.78 = 18,146.88/x
  3. Step 3: Cross multiply
    33,254.15x = 45,890.78 × 18,146.88
  4. Step 4: Simplify right side
    33,254.15x = 832,774,387.03
  5. Step 5: Solve for x
    x = 832,774,387.03/33,254.15
  6. Step 6: Final answer
    x = 25,042.72

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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.