Home / 25,176.80-37,766.60-8,309.15

Finding the Fourth Proportional to 25,176.80, 37,766.60 and 8,309.15

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Solution

The fourth proportional to 25,176.80, 37,766.60 and 8,309.15 is: 12,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.80 : 37,766.60 = 8,309.15 : x
  2. Step 2: Convert to fraction form
    25,176.80/37,766.60 = 8,309.15/x
  3. Step 3: Cross multiply
    25,176.80x = 37,766.60 × 8,309.15
  4. Step 4: Simplify right side
    25,176.80x = 313,808,114.01
  5. Step 5: Solve for x
    x = 313,808,114.01/25,176.80
  6. Step 6: Final answer
    x = 12,464.18

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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.