Home / 55,251.15-82,876.64-13,698.15

Finding the Fourth Proportional to 55,251.15, 82,876.64 and 13,698.15

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Solution

The fourth proportional to 55,251.15, 82,876.64 and 13,698.15 is: 20,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.15 : 82,876.64 = 13,698.15 : x
  2. Step 2: Convert to fraction form
    55,251.15/82,876.64 = 13,698.15/x
  3. Step 3: Cross multiply
    55,251.15x = 82,876.64 × 13,698.15
  4. Step 4: Simplify right side
    55,251.15x = 1,135,256,577.73
  5. Step 5: Solve for x
    x = 1,135,256,577.73/55,251.15
  6. Step 6: Final answer
    x = 20,547.20

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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.