Home / 38,723.52-58,072.56-12,422.04

Finding the Fourth Proportional to 38,723.52, 58,072.56 and 12,422.04

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Solution

The fourth proportional to 38,723.52, 58,072.56 and 12,422.04 is: 18,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.52 : 58,072.56 = 12,422.04 : x
  2. Step 2: Convert to fraction form
    38,723.52/58,072.56 = 12,422.04/x
  3. Step 3: Cross multiply
    38,723.52x = 58,072.56 × 12,422.04
  4. Step 4: Simplify right side
    38,723.52x = 721,379,663.22
  5. Step 5: Solve for x
    x = 721,379,663.22/38,723.52
  6. Step 6: Final answer
    x = 18,628.98

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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.