Home / 18,124.44-27,176.94-8,261.07

Finding the Fourth Proportional to 18,124.44, 27,176.94 and 8,261.07

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Solution

The fourth proportional to 18,124.44, 27,176.94 and 8,261.07 is: 12,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.44 : 27,176.94 = 8,261.07 : x
  2. Step 2: Convert to fraction form
    18,124.44/27,176.94 = 8,261.07/x
  3. Step 3: Cross multiply
    18,124.44x = 27,176.94 × 8,261.07
  4. Step 4: Simplify right side
    18,124.44x = 224,510,603.73
  5. Step 5: Solve for x
    x = 224,510,603.73/18,124.44
  6. Step 6: Final answer
    x = 12,387.17

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1.5x scale

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.