Home / 18,578.60-25,609.32-14,084.36

Finding the Fourth Proportional to 18,578.60, 25,609.32 and 14,084.36

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Solution

The fourth proportional to 18,578.60, 25,609.32 and 14,084.36 is: 19,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.60 : 25,609.32 = 14,084.36 : x
  2. Step 2: Convert to fraction form
    18,578.60/25,609.32 = 14,084.36/x
  3. Step 3: Cross multiply
    18,578.60x = 25,609.32 × 14,084.36
  4. Step 4: Simplify right side
    18,578.60x = 360,690,882.24
  5. Step 5: Solve for x
    x = 360,690,882.24/18,578.60
  6. Step 6: Final answer
    x = 19,414.32

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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.