Home / 17,932.74-26,899.10-4,785.15

Finding the Fourth Proportional to 17,932.74, 26,899.10 and 4,785.15

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Solution

The fourth proportional to 17,932.74, 26,899.10 and 4,785.15 is: 7,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.74 : 26,899.10 = 4,785.15 : x
  2. Step 2: Convert to fraction form
    17,932.74/26,899.10 = 4,785.15/x
  3. Step 3: Cross multiply
    17,932.74x = 26,899.10 × 4,785.15
  4. Step 4: Simplify right side
    17,932.74x = 128,716,228.37
  5. Step 5: Solve for x
    x = 128,716,228.37/17,932.74
  6. Step 6: Final answer
    x = 7,177.72

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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.