Home / 13,344.56-18,418.04-8,799.26

Finding the Fourth Proportional to 13,344.56, 18,418.04 and 8,799.26

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Solution

The fourth proportional to 13,344.56, 18,418.04 and 8,799.26 is: 12,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.56 : 18,418.04 = 8,799.26 : x
  2. Step 2: Convert to fraction form
    13,344.56/18,418.04 = 8,799.26/x
  3. Step 3: Cross multiply
    13,344.56x = 18,418.04 × 8,799.26
  4. Step 4: Simplify right side
    13,344.56x = 162,065,122.65
  5. Step 5: Solve for x
    x = 162,065,122.65/13,344.56
  6. Step 6: Final answer
    x = 12,144.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.