Home / 23,170.65-34,755.69-5,640.63

Finding the Fourth Proportional to 23,170.65, 34,755.69 and 5,640.63

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Solution

The fourth proportional to 23,170.65, 34,755.69 and 5,640.63 is: 8,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.65 : 34,755.69 = 5,640.63 : x
  2. Step 2: Convert to fraction form
    23,170.65/34,755.69 = 5,640.63/x
  3. Step 3: Cross multiply
    23,170.65x = 34,755.69 × 5,640.63
  4. Step 4: Simplify right side
    23,170.65x = 196,043,987.68
  5. Step 5: Solve for x
    x = 196,043,987.68/23,170.65
  6. Step 6: Final answer
    x = 8,460.88

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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.