Home / 15,992.39-23,987.89-5,463.35

Finding the Fourth Proportional to 15,992.39, 23,987.89 and 5,463.35

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Solution

The fourth proportional to 15,992.39, 23,987.89 and 5,463.35 is: 8,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.39 : 23,987.89 = 5,463.35 : x
  2. Step 2: Convert to fraction form
    15,992.39/23,987.89 = 5,463.35/x
  3. Step 3: Cross multiply
    15,992.39x = 23,987.89 × 5,463.35
  4. Step 4: Simplify right side
    15,992.39x = 131,054,105.23
  5. Step 5: Solve for x
    x = 131,054,105.23/15,992.39
  6. Step 6: Final answer
    x = 8,194.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.