Home / 25,962.06-38,919.68-9,318.18

Finding the Fourth Proportional to 25,962.06, 38,919.68 and 9,318.18

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Solution

The fourth proportional to 25,962.06, 38,919.68 and 9,318.18 is: 13,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,962.06 : 38,919.68 = 9,318.18 : x
  2. Step 2: Convert to fraction form
    25,962.06/38,919.68 = 9,318.18/x
  3. Step 3: Cross multiply
    25,962.06x = 38,919.68 × 9,318.18
  4. Step 4: Simplify right side
    25,962.06x = 362,660,583.78
  5. Step 5: Solve for x
    x = 362,660,583.78/25,962.06
  6. Step 6: Final answer
    x = 13,968.87

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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.