Home / 18,747.18-28,110.24-6,260.63

Finding the Fourth Proportional to 18,747.18, 28,110.24 and 6,260.63

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Solution

The fourth proportional to 18,747.18, 28,110.24 and 6,260.63 is: 9,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.18 : 28,110.24 = 6,260.63 : x
  2. Step 2: Convert to fraction form
    18,747.18/28,110.24 = 6,260.63/x
  3. Step 3: Cross multiply
    18,747.18x = 28,110.24 × 6,260.63
  4. Step 4: Simplify right side
    18,747.18x = 175,987,671.30
  5. Step 5: Solve for x
    x = 175,987,671.30/18,747.18
  6. Step 6: Final answer
    x = 9,387.42

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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.