Home / 16,517.12-24,779.46-7,158.70

Finding the Fourth Proportional to 16,517.12, 24,779.46 and 7,158.70

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Solution

The fourth proportional to 16,517.12, 24,779.46 and 7,158.70 is: 10,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.12 : 24,779.46 = 7,158.70 : x
  2. Step 2: Convert to fraction form
    16,517.12/24,779.46 = 7,158.70/x
  3. Step 3: Cross multiply
    16,517.12x = 24,779.46 × 7,158.70
  4. Step 4: Simplify right side
    16,517.12x = 177,388,684.51
  5. Step 5: Solve for x
    x = 177,388,684.51/16,517.12
  6. Step 6: Final answer
    x = 10,739.69

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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.