Home / 25,518.81-38,269.69-10,724.97

Finding the Fourth Proportional to 25,518.81, 38,269.69 and 10,724.97

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Solution

The fourth proportional to 25,518.81, 38,269.69 and 10,724.97 is: 16,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.81 : 38,269.69 = 10,724.97 : x
  2. Step 2: Convert to fraction form
    25,518.81/38,269.69 = 10,724.97/x
  3. Step 3: Cross multiply
    25,518.81x = 38,269.69 × 10,724.97
  4. Step 4: Simplify right side
    25,518.81x = 410,441,277.16
  5. Step 5: Solve for x
    x = 410,441,277.16/25,518.81
  6. Step 6: Final answer
    x = 16,083.87

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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.