Home / 15,797.12-23,680.32-5,401.92

Finding the Fourth Proportional to 15,797.12, 23,680.32 and 5,401.92

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Solution

The fourth proportional to 15,797.12, 23,680.32 and 5,401.92 is: 8,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.12 : 23,680.32 = 5,401.92 : x
  2. Step 2: Convert to fraction form
    15,797.12/23,680.32 = 5,401.92/x
  3. Step 3: Cross multiply
    15,797.12x = 23,680.32 × 5,401.92
  4. Step 4: Simplify right side
    15,797.12x = 127,919,194.21
  5. Step 5: Solve for x
    x = 127,919,194.21/15,797.12
  6. Step 6: Final answer
    x = 8,097.63

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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.