Home / 22,715.43-34,224.57-20,922.09

Finding the Fourth Proportional to 22,715.43, 34,224.57 and 20,922.09

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Solution

The fourth proportional to 22,715.43, 34,224.57 and 20,922.09 is: 31,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.43 : 34,224.57 = 20,922.09 : x
  2. Step 2: Convert to fraction form
    22,715.43/34,224.57 = 20,922.09/x
  3. Step 3: Cross multiply
    22,715.43x = 34,224.57 × 20,922.09
  4. Step 4: Simplify right side
    22,715.43x = 716,049,533.75
  5. Step 5: Solve for x
    x = 716,049,533.75/22,715.43
  6. Step 6: Final answer
    x = 31,522.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.