Home / 13,747.26-18,986.68-9,263.16

Finding the Fourth Proportional to 13,747.26, 18,986.68 and 9,263.16

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Solution

The fourth proportional to 13,747.26, 18,986.68 and 9,263.16 is: 12,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.26 : 18,986.68 = 9,263.16 : x
  2. Step 2: Convert to fraction form
    13,747.26/18,986.68 = 9,263.16/x
  3. Step 3: Cross multiply
    13,747.26x = 18,986.68 × 9,263.16
  4. Step 4: Simplify right side
    13,747.26x = 175,876,654.71
  5. Step 5: Solve for x
    x = 175,876,654.71/13,747.26
  6. Step 6: Final answer
    x = 12,793.58

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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.