Home / 18,769.68-25,897.08-11,212.65

Finding the Fourth Proportional to 18,769.68, 25,897.08 and 11,212.65

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Solution

The fourth proportional to 18,769.68, 25,897.08 and 11,212.65 is: 15,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.68 : 25,897.08 = 11,212.65 : x
  2. Step 2: Convert to fraction form
    18,769.68/25,897.08 = 11,212.65/x
  3. Step 3: Cross multiply
    18,769.68x = 25,897.08 × 11,212.65
  4. Step 4: Simplify right side
    18,769.68x = 290,374,894.06
  5. Step 5: Solve for x
    x = 290,374,894.06/18,769.68
  6. Step 6: Final answer
    x = 15,470.42

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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.