Home / 40,408.74-60,612.99-18,196.11

Finding the Fourth Proportional to 40,408.74, 60,612.99 and 18,196.11

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Solution

The fourth proportional to 40,408.74, 60,612.99 and 18,196.11 is: 27,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.74 : 60,612.99 = 18,196.11 : x
  2. Step 2: Convert to fraction form
    40,408.74/60,612.99 = 18,196.11/x
  3. Step 3: Cross multiply
    40,408.74x = 60,612.99 × 18,196.11
  4. Step 4: Simplify right side
    40,408.74x = 1,102,920,633.47
  5. Step 5: Solve for x
    x = 1,102,920,633.47/40,408.74
  6. Step 6: Final answer
    x = 27,294.11

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Double scale
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Similar ratio
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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.