Home / 23,778.17-32,813.85-13,167.79

Finding the Fourth Proportional to 23,778.17, 32,813.85 and 13,167.79

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Solution

The fourth proportional to 23,778.17, 32,813.85 and 13,167.79 is: 18,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.17 : 32,813.85 = 13,167.79 : x
  2. Step 2: Convert to fraction form
    23,778.17/32,813.85 = 13,167.79/x
  3. Step 3: Cross multiply
    23,778.17x = 32,813.85 × 13,167.79
  4. Step 4: Simplify right side
    23,778.17x = 432,085,820.05
  5. Step 5: Solve for x
    x = 432,085,820.05/23,778.17
  6. Step 6: Final answer
    x = 18,171.53

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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.