Home / 22,794.80-31,458.41-12,725.21

Finding the Fourth Proportional to 22,794.80, 31,458.41 and 12,725.21

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Solution

The fourth proportional to 22,794.80, 31,458.41 and 12,725.21 is: 17,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,794.80 : 31,458.41 = 12,725.21 : x
  2. Step 2: Convert to fraction form
    22,794.80/31,458.41 = 12,725.21/x
  3. Step 3: Cross multiply
    22,794.80x = 31,458.41 × 12,725.21
  4. Step 4: Simplify right side
    22,794.80x = 400,314,873.52
  5. Step 5: Solve for x
    x = 400,314,873.52/22,794.80
  6. Step 6: Final answer
    x = 17,561.68

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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.