Home / 22,580.42-31,163.89-13,632.98

Finding the Fourth Proportional to 22,580.42, 31,163.89 and 13,632.98

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Solution

The fourth proportional to 22,580.42, 31,163.89 and 13,632.98 is: 18,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.42 : 31,163.89 = 13,632.98 : x
  2. Step 2: Convert to fraction form
    22,580.42/31,163.89 = 13,632.98/x
  3. Step 3: Cross multiply
    22,580.42x = 31,163.89 × 13,632.98
  4. Step 4: Simplify right side
    22,580.42x = 424,856,689.09
  5. Step 5: Solve for x
    x = 424,856,689.09/22,580.42
  6. Step 6: Final answer
    x = 18,815.27

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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.