Home / 17,631.20-26,449.26-5,152.12

Finding the Fourth Proportional to 17,631.20, 26,449.26 and 5,152.12

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Solution

The fourth proportional to 17,631.20, 26,449.26 and 5,152.12 is: 7,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.20 : 26,449.26 = 5,152.12 : x
  2. Step 2: Convert to fraction form
    17,631.20/26,449.26 = 5,152.12/x
  3. Step 3: Cross multiply
    17,631.20x = 26,449.26 × 5,152.12
  4. Step 4: Simplify right side
    17,631.20x = 136,269,761.43
  5. Step 5: Solve for x
    x = 136,269,761.43/17,631.20
  6. Step 6: Final answer
    x = 7,728.90

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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.