Home / 13,515.06-18,650.68-7,546.68

Finding the Fourth Proportional to 13,515.06, 18,650.68 and 7,546.68

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Solution

The fourth proportional to 13,515.06, 18,650.68 and 7,546.68 is: 10,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.06 : 18,650.68 = 7,546.68 : x
  2. Step 2: Convert to fraction form
    13,515.06/18,650.68 = 7,546.68/x
  3. Step 3: Cross multiply
    13,515.06x = 18,650.68 × 7,546.68
  4. Step 4: Simplify right side
    13,515.06x = 140,750,713.74
  5. Step 5: Solve for x
    x = 140,750,713.74/13,515.06
  6. Step 6: Final answer
    x = 10,414.36

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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.