Home / 23,515.89-35,279.91-8,729.03

Finding the Fourth Proportional to 23,515.89, 35,279.91 and 8,729.03

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Solution

The fourth proportional to 23,515.89, 35,279.91 and 8,729.03 is: 13,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.89 : 35,279.91 = 8,729.03 : x
  2. Step 2: Convert to fraction form
    23,515.89/35,279.91 = 8,729.03/x
  3. Step 3: Cross multiply
    23,515.89x = 35,279.91 × 8,729.03
  4. Step 4: Simplify right side
    23,515.89x = 307,959,216.39
  5. Step 5: Solve for x
    x = 307,959,216.39/23,515.89
  6. Step 6: Final answer
    x = 13,095.79

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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.