Home / 25,367.92-34,979.08-18,974.02

Finding the Fourth Proportional to 25,367.92, 34,979.08 and 18,974.02

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Solution

The fourth proportional to 25,367.92, 34,979.08 and 18,974.02 is: 26,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.92 : 34,979.08 = 18,974.02 : x
  2. Step 2: Convert to fraction form
    25,367.92/34,979.08 = 18,974.02/x
  3. Step 3: Cross multiply
    25,367.92x = 34,979.08 × 18,974.02
  4. Step 4: Simplify right side
    25,367.92x = 663,693,801.48
  5. Step 5: Solve for x
    x = 663,693,801.48/25,367.92
  6. Step 6: Final answer
    x = 26,162.72

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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.