Home / 17,856.87-26,797.40-7,328.79

Finding the Fourth Proportional to 17,856.87, 26,797.40 and 7,328.79

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Solution

The fourth proportional to 17,856.87, 26,797.40 and 7,328.79 is: 10,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.87 : 26,797.40 = 7,328.79 : x
  2. Step 2: Convert to fraction form
    17,856.87/26,797.40 = 7,328.79/x
  3. Step 3: Cross multiply
    17,856.87x = 26,797.40 × 7,328.79
  4. Step 4: Simplify right side
    17,856.87x = 196,392,535.47
  5. Step 5: Solve for x
    x = 196,392,535.47/17,856.87
  6. Step 6: Final answer
    x = 10,998.15

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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.