Home / 55,675.82-83,511.57-18,238.70

Finding the Fourth Proportional to 55,675.82, 83,511.57 and 18,238.70

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Solution

The fourth proportional to 55,675.82, 83,511.57 and 18,238.70 is: 27,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,675.82 : 83,511.57 = 18,238.70 : x
  2. Step 2: Convert to fraction form
    55,675.82/83,511.57 = 18,238.70/x
  3. Step 3: Cross multiply
    55,675.82x = 83,511.57 × 18,238.70
  4. Step 4: Simplify right side
    55,675.82x = 1,523,142,471.76
  5. Step 5: Solve for x
    x = 1,523,142,471.76/55,675.82
  6. Step 6: Final answer
    x = 27,357.34

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1.5x scale

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.