Home / 25,270.32-37,905.30-12,082.80

Finding the Fourth Proportional to 25,270.32, 37,905.30 and 12,082.80

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Solution

The fourth proportional to 25,270.32, 37,905.30 and 12,082.80 is: 18,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.32 : 37,905.30 = 12,082.80 : x
  2. Step 2: Convert to fraction form
    25,270.32/37,905.30 = 12,082.80/x
  3. Step 3: Cross multiply
    25,270.32x = 37,905.30 × 12,082.80
  4. Step 4: Simplify right side
    25,270.32x = 458,002,158.84
  5. Step 5: Solve for x
    x = 458,002,158.84/25,270.32
  6. Step 6: Final answer
    x = 18,124.11

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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.