Home / 18,715.97-25,826.93-10,216.40

Finding the Fourth Proportional to 18,715.97, 25,826.93 and 10,216.40

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Solution

The fourth proportional to 18,715.97, 25,826.93 and 10,216.40 is: 14,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.97 : 25,826.93 = 10,216.40 : x
  2. Step 2: Convert to fraction form
    18,715.97/25,826.93 = 10,216.40/x
  3. Step 3: Cross multiply
    18,715.97x = 25,826.93 × 10,216.40
  4. Step 4: Simplify right side
    18,715.97x = 263,858,067.44
  5. Step 5: Solve for x
    x = 263,858,067.44/18,715.97
  6. Step 6: Final answer
    x = 14,098.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.