Home / 18,829.72-25,984.14-10,331.65

Finding the Fourth Proportional to 18,829.72, 25,984.14 and 10,331.65

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Solution

The fourth proportional to 18,829.72, 25,984.14 and 10,331.65 is: 14,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.72 : 25,984.14 = 10,331.65 : x
  2. Step 2: Convert to fraction form
    18,829.72/25,984.14 = 10,331.65/x
  3. Step 3: Cross multiply
    18,829.72x = 25,984.14 × 10,331.65
  4. Step 4: Simplify right side
    18,829.72x = 268,459,104.99
  5. Step 5: Solve for x
    x = 268,459,104.99/18,829.72
  6. Step 6: Final answer
    x = 14,257.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.