Home / 18,839.52-25,999.44-10,882.80

Finding the Fourth Proportional to 18,839.52, 25,999.44 and 10,882.80

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Solution

The fourth proportional to 18,839.52, 25,999.44 and 10,882.80 is: 15,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.52 : 25,999.44 = 10,882.80 : x
  2. Step 2: Convert to fraction form
    18,839.52/25,999.44 = 10,882.80/x
  3. Step 3: Cross multiply
    18,839.52x = 25,999.44 × 10,882.80
  4. Step 4: Simplify right side
    18,839.52x = 282,946,705.63
  5. Step 5: Solve for x
    x = 282,946,705.63/18,839.52
  6. Step 6: Final answer
    x = 15,018.79

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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.