Home / 18,176.40-25,086.41-11,465.65

Finding the Fourth Proportional to 18,176.40, 25,086.41 and 11,465.65

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Solution

The fourth proportional to 18,176.40, 25,086.41 and 11,465.65 is: 15,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.40 : 25,086.41 = 11,465.65 : x
  2. Step 2: Convert to fraction form
    18,176.40/25,086.41 = 11,465.65/x
  3. Step 3: Cross multiply
    18,176.40x = 25,086.41 × 11,465.65
  4. Step 4: Simplify right side
    18,176.40x = 287,632,013.84
  5. Step 5: Solve for x
    x = 287,632,013.84/18,176.40
  6. Step 6: Final answer
    x = 15,824.48

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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.