Home / 18,876.46-28,334.36-18,452.89

Finding the Fourth Proportional to 18,876.46, 28,334.36 and 18,452.89

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Solution

The fourth proportional to 18,876.46, 28,334.36 and 18,452.89 is: 27,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.46 : 28,334.36 = 18,452.89 : x
  2. Step 2: Convert to fraction form
    18,876.46/28,334.36 = 18,452.89/x
  3. Step 3: Cross multiply
    18,876.46x = 28,334.36 × 18,452.89
  4. Step 4: Simplify right side
    18,876.46x = 522,850,828.30
  5. Step 5: Solve for x
    x = 522,850,828.30/18,876.46
  6. Step 6: Final answer
    x = 27,698.56

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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.