Home / 22,684.61-31,302.62-13,122.97

Finding the Fourth Proportional to 22,684.61, 31,302.62 and 13,122.97

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Solution

The fourth proportional to 22,684.61, 31,302.62 and 13,122.97 is: 18,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.61 : 31,302.62 = 13,122.97 : x
  2. Step 2: Convert to fraction form
    22,684.61/31,302.62 = 13,122.97/x
  3. Step 3: Cross multiply
    22,684.61x = 31,302.62 × 13,122.97
  4. Step 4: Simplify right side
    22,684.61x = 410,783,343.18
  5. Step 5: Solve for x
    x = 410,783,343.18/22,684.61
  6. Step 6: Final answer
    x = 18,108.46

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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.