Home / 25,747.32-38,616.66-7,275

Finding the Fourth Proportional to 25,747.32, 38,616.66 and 7,275

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Solution

The fourth proportional to 25,747.32, 38,616.66 and 7,275 is: 10,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.32 : 38,616.66 = 7,275 : x
  2. Step 2: Convert to fraction form
    25,747.32/38,616.66 = 7,275/x
  3. Step 3: Cross multiply
    25,747.32x = 38,616.66 × 7,275
  4. Step 4: Simplify right side
    25,747.32x = 280,936,201.50
  5. Step 5: Solve for x
    x = 280,936,201.50/25,747.32
  6. Step 6: Final answer
    x = 10,911.28

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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.