Home / 14,540.38-20,054.87-9,819.74

Finding the Fourth Proportional to 14,540.38, 20,054.87 and 9,819.74

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Solution

The fourth proportional to 14,540.38, 20,054.87 and 9,819.74 is: 13,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.38 : 20,054.87 = 9,819.74 : x
  2. Step 2: Convert to fraction form
    14,540.38/20,054.87 = 9,819.74/x
  3. Step 3: Cross multiply
    14,540.38x = 20,054.87 × 9,819.74
  4. Step 4: Simplify right side
    14,540.38x = 196,933,609.13
  5. Step 5: Solve for x
    x = 196,933,609.13/14,540.38
  6. Step 6: Final answer
    x = 13,543.91

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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.