Home / 25,972.56-38,964.60-12,114

Finding the Fourth Proportional to 25,972.56, 38,964.60 and 12,114

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Solution

The fourth proportional to 25,972.56, 38,964.60 and 12,114 is: 18,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.56 : 38,964.60 = 12,114 : x
  2. Step 2: Convert to fraction form
    25,972.56/38,964.60 = 12,114/x
  3. Step 3: Cross multiply
    25,972.56x = 38,964.60 × 12,114
  4. Step 4: Simplify right side
    25,972.56x = 472,017,164.40
  5. Step 5: Solve for x
    x = 472,017,164.40/25,972.56
  6. Step 6: Final answer
    x = 18,173.69

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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.