Home / 14,540.48-20,065.60-8,253.92

Finding the Fourth Proportional to 14,540.48, 20,065.60 and 8,253.92

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Solution

The fourth proportional to 14,540.48, 20,065.60 and 8,253.92 is: 11,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.48 : 20,065.60 = 8,253.92 : x
  2. Step 2: Convert to fraction form
    14,540.48/20,065.60 = 8,253.92/x
  3. Step 3: Cross multiply
    14,540.48x = 20,065.60 × 8,253.92
  4. Step 4: Simplify right side
    14,540.48x = 165,619,857.15
  5. Step 5: Solve for x
    x = 165,619,857.15/14,540.48
  6. Step 6: Final answer
    x = 11,390.26

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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.