Home / 15,505.29-23,255.78-6,739.07

Finding the Fourth Proportional to 15,505.29, 23,255.78 and 6,739.07

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Solution

The fourth proportional to 15,505.29, 23,255.78 and 6,739.07 is: 10,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.29 : 23,255.78 = 6,739.07 : x
  2. Step 2: Convert to fraction form
    15,505.29/23,255.78 = 6,739.07/x
  3. Step 3: Cross multiply
    15,505.29x = 23,255.78 × 6,739.07
  4. Step 4: Simplify right side
    15,505.29x = 156,722,179.35
  5. Step 5: Solve for x
    x = 156,722,179.35/15,505.29
  6. Step 6: Final answer
    x = 10,107.66

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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.