Home / 22,612.72-33,920.16-10,935.76

Finding the Fourth Proportional to 22,612.72, 33,920.16 and 10,935.76

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Solution

The fourth proportional to 22,612.72, 33,920.16 and 10,935.76 is: 16,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.72 : 33,920.16 = 10,935.76 : x
  2. Step 2: Convert to fraction form
    22,612.72/33,920.16 = 10,935.76/x
  3. Step 3: Cross multiply
    22,612.72x = 33,920.16 × 10,935.76
  4. Step 4: Simplify right side
    22,612.72x = 370,942,728.92
  5. Step 5: Solve for x
    x = 370,942,728.92/22,612.72
  6. Step 6: Final answer
    x = 16,404.16

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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.