Home / 17,766.40-26,617.20-10,832.80

Finding the Fourth Proportional to 17,766.40, 26,617.20 and 10,832.80

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Solution

The fourth proportional to 17,766.40, 26,617.20 and 10,832.80 is: 16,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,766.40 : 26,617.20 = 10,832.80 : x
  2. Step 2: Convert to fraction form
    17,766.40/26,617.20 = 10,832.80/x
  3. Step 3: Cross multiply
    17,766.40x = 26,617.20 × 10,832.80
  4. Step 4: Simplify right side
    17,766.40x = 288,338,804.16
  5. Step 5: Solve for x
    x = 288,338,804.16/17,766.40
  6. Step 6: Final answer
    x = 16,229.44

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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.