Home / 26,648.46-39,972.69-9,118.44

Finding the Fourth Proportional to 26,648.46, 39,972.69 and 9,118.44

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Solution

The fourth proportional to 26,648.46, 39,972.69 and 9,118.44 is: 13,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.46 : 39,972.69 = 9,118.44 : x
  2. Step 2: Convert to fraction form
    26,648.46/39,972.69 = 9,118.44/x
  3. Step 3: Cross multiply
    26,648.46x = 39,972.69 × 9,118.44
  4. Step 4: Simplify right side
    26,648.46x = 364,488,575.40
  5. Step 5: Solve for x
    x = 364,488,575.40/26,648.46
  6. Step 6: Final answer
    x = 13,677.66

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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.