Home / 15,905.20-23,851.72-5,229.07

Finding the Fourth Proportional to 15,905.20, 23,851.72 and 5,229.07

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Solution

The fourth proportional to 15,905.20, 23,851.72 and 5,229.07 is: 7,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.20 : 23,851.72 = 5,229.07 : x
  2. Step 2: Convert to fraction form
    15,905.20/23,851.72 = 5,229.07/x
  3. Step 3: Cross multiply
    15,905.20x = 23,851.72 × 5,229.07
  4. Step 4: Simplify right side
    15,905.20x = 124,722,313.50
  5. Step 5: Solve for x
    x = 124,722,313.50/15,905.20
  6. Step 6: Final answer
    x = 7,841.61

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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.