Home / 14,844.77-20,488.09-8,471.35

Finding the Fourth Proportional to 14,844.77, 20,488.09 and 8,471.35

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Solution

The fourth proportional to 14,844.77, 20,488.09 and 8,471.35 is: 11,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.77 : 20,488.09 = 8,471.35 : x
  2. Step 2: Convert to fraction form
    14,844.77/20,488.09 = 8,471.35/x
  3. Step 3: Cross multiply
    14,844.77x = 20,488.09 × 8,471.35
  4. Step 4: Simplify right side
    14,844.77x = 173,561,781.22
  5. Step 5: Solve for x
    x = 173,561,781.22/14,844.77
  6. Step 6: Final answer
    x = 11,691.78

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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.