Home / 17,951.40-26,928.58-5,471.52

Finding the Fourth Proportional to 17,951.40, 26,928.58 and 5,471.52

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Solution

The fourth proportional to 17,951.40, 26,928.58 and 5,471.52 is: 8,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.40 : 26,928.58 = 5,471.52 : x
  2. Step 2: Convert to fraction form
    17,951.40/26,928.58 = 5,471.52/x
  3. Step 3: Cross multiply
    17,951.40x = 26,928.58 × 5,471.52
  4. Step 4: Simplify right side
    17,951.40x = 147,340,371.46
  5. Step 5: Solve for x
    x = 147,340,371.46/17,951.40
  6. Step 6: Final answer
    x = 8,207.74

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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.