Home / 20,044.40-27,652.44-12,081.92

Finding the Fourth Proportional to 20,044.40, 27,652.44 and 12,081.92

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Solution

The fourth proportional to 20,044.40, 27,652.44 and 12,081.92 is: 16,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.40 : 27,652.44 = 12,081.92 : x
  2. Step 2: Convert to fraction form
    20,044.40/27,652.44 = 12,081.92/x
  3. Step 3: Cross multiply
    20,044.40x = 27,652.44 × 12,081.92
  4. Step 4: Simplify right side
    20,044.40x = 334,094,567.88
  5. Step 5: Solve for x
    x = 334,094,567.88/20,044.40
  6. Step 6: Final answer
    x = 16,667.73

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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.