Home / 15,187.20-22,779.52-4,797.44

Finding the Fourth Proportional to 15,187.20, 22,779.52 and 4,797.44

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Solution

The fourth proportional to 15,187.20, 22,779.52 and 4,797.44 is: 7,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.20 : 22,779.52 = 4,797.44 : x
  2. Step 2: Convert to fraction form
    15,187.20/22,779.52 = 4,797.44/x
  3. Step 3: Cross multiply
    15,187.20x = 22,779.52 × 4,797.44
  4. Step 4: Simplify right side
    15,187.20x = 109,283,380.43
  5. Step 5: Solve for x
    x = 109,283,380.43/15,187.20
  6. Step 6: Final answer
    x = 7,195.76

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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.