Home / 22,544.91-31,078.98-15,810.21

Finding the Fourth Proportional to 22,544.91, 31,078.98 and 15,810.21

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Solution

The fourth proportional to 22,544.91, 31,078.98 and 15,810.21 is: 21,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,544.91 : 31,078.98 = 15,810.21 : x
  2. Step 2: Convert to fraction form
    22,544.91/31,078.98 = 15,810.21/x
  3. Step 3: Cross multiply
    22,544.91x = 31,078.98 × 15,810.21
  4. Step 4: Simplify right side
    22,544.91x = 491,365,200.39
  5. Step 5: Solve for x
    x = 491,365,200.39/22,544.91
  6. Step 6: Final answer
    x = 21,794.95

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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.