Home / 22,936.79-34,403.73-8,143.76

Finding the Fourth Proportional to 22,936.79, 34,403.73 and 8,143.76

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Solution

The fourth proportional to 22,936.79, 34,403.73 and 8,143.76 is: 12,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.79 : 34,403.73 = 8,143.76 : x
  2. Step 2: Convert to fraction form
    22,936.79/34,403.73 = 8,143.76/x
  3. Step 3: Cross multiply
    22,936.79x = 34,403.73 × 8,143.76
  4. Step 4: Simplify right side
    22,936.79x = 280,175,720.22
  5. Step 5: Solve for x
    x = 280,175,720.22/22,936.79
  6. Step 6: Final answer
    x = 12,215.12

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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.