Home / 18,839.56-25,998.91-10,342.48

Finding the Fourth Proportional to 18,839.56, 25,998.91 and 10,342.48

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Solution

The fourth proportional to 18,839.56, 25,998.91 and 10,342.48 is: 14,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.56 : 25,998.91 = 10,342.48 : x
  2. Step 2: Convert to fraction form
    18,839.56/25,998.91 = 10,342.48/x
  3. Step 3: Cross multiply
    18,839.56x = 25,998.91 × 10,342.48
  4. Step 4: Simplify right side
    18,839.56x = 268,893,206.70
  5. Step 5: Solve for x
    x = 268,893,206.70/18,839.56
  6. Step 6: Final answer
    x = 14,272.80

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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.