Home / 15,451.16-23,175.57-4,920.75

Finding the Fourth Proportional to 15,451.16, 23,175.57 and 4,920.75

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Solution

The fourth proportional to 15,451.16, 23,175.57 and 4,920.75 is: 7,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.16 : 23,175.57 = 4,920.75 : x
  2. Step 2: Convert to fraction form
    15,451.16/23,175.57 = 4,920.75/x
  3. Step 3: Cross multiply
    15,451.16x = 23,175.57 × 4,920.75
  4. Step 4: Simplify right side
    15,451.16x = 114,041,215.05
  5. Step 5: Solve for x
    x = 114,041,215.05/15,451.16
  6. Step 6: Final answer
    x = 7,380.76

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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.