Home / 13,173.33-18,176.25-7,867.13

Finding the Fourth Proportional to 13,173.33, 18,176.25 and 7,867.13

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Solution

The fourth proportional to 13,173.33, 18,176.25 and 7,867.13 is: 10,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.33 : 18,176.25 = 7,867.13 : x
  2. Step 2: Convert to fraction form
    13,173.33/18,176.25 = 7,867.13/x
  3. Step 3: Cross multiply
    13,173.33x = 18,176.25 × 7,867.13
  4. Step 4: Simplify right side
    13,173.33x = 142,994,816.03
  5. Step 5: Solve for x
    x = 142,994,816.03/13,173.33
  6. Step 6: Final answer
    x = 10,854.87

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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.