Home / 22,815.53-34,222.88-11,715.69

Finding the Fourth Proportional to 22,815.53, 34,222.88 and 11,715.69

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Solution

The fourth proportional to 22,815.53, 34,222.88 and 11,715.69 is: 17,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.53 : 34,222.88 = 11,715.69 : x
  2. Step 2: Convert to fraction form
    22,815.53/34,222.88 = 11,715.69/x
  3. Step 3: Cross multiply
    22,815.53x = 34,222.88 × 11,715.69
  4. Step 4: Simplify right side
    22,815.53x = 400,944,594.41
  5. Step 5: Solve for x
    x = 400,944,594.41/22,815.53
  6. Step 6: Final answer
    x = 17,573.32

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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.