Home / 25,507.78-38,222.69-10,708.61

Finding the Fourth Proportional to 25,507.78, 38,222.69 and 10,708.61

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Solution

The fourth proportional to 25,507.78, 38,222.69 and 10,708.61 is: 16,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.78 : 38,222.69 = 10,708.61 : x
  2. Step 2: Convert to fraction form
    25,507.78/38,222.69 = 10,708.61/x
  3. Step 3: Cross multiply
    25,507.78x = 38,222.69 × 10,708.61
  4. Step 4: Simplify right side
    25,507.78x = 409,311,635.70
  5. Step 5: Solve for x
    x = 409,311,635.70/25,507.78
  6. Step 6: Final answer
    x = 16,046.54

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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.