Home / 23,785.08-35,679.39-7,143.78

Finding the Fourth Proportional to 23,785.08, 35,679.39 and 7,143.78

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Solution

The fourth proportional to 23,785.08, 35,679.39 and 7,143.78 is: 10,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,785.08 : 35,679.39 = 7,143.78 : x
  2. Step 2: Convert to fraction form
    23,785.08/35,679.39 = 7,143.78/x
  3. Step 3: Cross multiply
    23,785.08x = 35,679.39 × 7,143.78
  4. Step 4: Simplify right side
    23,785.08x = 254,885,712.69
  5. Step 5: Solve for x
    x = 254,885,712.69/23,785.08
  6. Step 6: Final answer
    x = 10,716.20

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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.