Home / 18,717.35-25,794.28-13,402.94

Finding the Fourth Proportional to 18,717.35, 25,794.28 and 13,402.94

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Solution

The fourth proportional to 18,717.35, 25,794.28 and 13,402.94 is: 18,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.35 : 25,794.28 = 13,402.94 : x
  2. Step 2: Convert to fraction form
    18,717.35/25,794.28 = 13,402.94/x
  3. Step 3: Cross multiply
    18,717.35x = 25,794.28 × 13,402.94
  4. Step 4: Simplify right side
    18,717.35x = 345,719,074.97
  5. Step 5: Solve for x
    x = 345,719,074.97/18,717.35
  6. Step 6: Final answer
    x = 18,470.52

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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.