Home / 23,045.94-31,813.20-15,496.65

Finding the Fourth Proportional to 23,045.94, 31,813.20 and 15,496.65

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Solution

The fourth proportional to 23,045.94, 31,813.20 and 15,496.65 is: 21,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.94 : 31,813.20 = 15,496.65 : x
  2. Step 2: Convert to fraction form
    23,045.94/31,813.20 = 15,496.65/x
  3. Step 3: Cross multiply
    23,045.94x = 31,813.20 × 15,496.65
  4. Step 4: Simplify right side
    23,045.94x = 492,998,025.78
  5. Step 5: Solve for x
    x = 492,998,025.78/23,045.94
  6. Step 6: Final answer
    x = 21,391.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.