Home / 22,908.87-34,356.90-8,113.81

Finding the Fourth Proportional to 22,908.87, 34,356.90 and 8,113.81

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Solution

The fourth proportional to 22,908.87, 34,356.90 and 8,113.81 is: 12,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.87 : 34,356.90 = 8,113.81 : x
  2. Step 2: Convert to fraction form
    22,908.87/34,356.90 = 8,113.81/x
  3. Step 3: Cross multiply
    22,908.87x = 34,356.90 × 8,113.81
  4. Step 4: Simplify right side
    22,908.87x = 278,765,358.79
  5. Step 5: Solve for x
    x = 278,765,358.79/22,908.87
  6. Step 6: Final answer
    x = 12,168.45

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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.