Home / 23,925.72-33,018.12-13,170.84

Finding the Fourth Proportional to 23,925.72, 33,018.12 and 13,170.84

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Solution

The fourth proportional to 23,925.72, 33,018.12 and 13,170.84 is: 18,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,925.72 : 33,018.12 = 13,170.84 : x
  2. Step 2: Convert to fraction form
    23,925.72/33,018.12 = 13,170.84/x
  3. Step 3: Cross multiply
    23,925.72x = 33,018.12 × 13,170.84
  4. Step 4: Simplify right side
    23,925.72x = 434,876,375.62
  5. Step 5: Solve for x
    x = 434,876,375.62/23,925.72
  6. Step 6: Final answer
    x = 18,176.10

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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.