Home / 13,259.22-18,292.49-8,546.25

Finding the Fourth Proportional to 13,259.22, 18,292.49 and 8,546.25

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Solution

The fourth proportional to 13,259.22, 18,292.49 and 8,546.25 is: 11,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.22 : 18,292.49 = 8,546.25 : x
  2. Step 2: Convert to fraction form
    13,259.22/18,292.49 = 8,546.25/x
  3. Step 3: Cross multiply
    13,259.22x = 18,292.49 × 8,546.25
  4. Step 4: Simplify right side
    13,259.22x = 156,332,149.93
  5. Step 5: Solve for x
    x = 156,332,149.93/13,259.22
  6. Step 6: Final answer
    x = 11,790.45

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Double scale
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Similar ratio
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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.