Home / 22,936.96-31,636.74-16,120

Finding the Fourth Proportional to 22,936.96, 31,636.74 and 16,120

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Solution

The fourth proportional to 22,936.96, 31,636.74 and 16,120 is: 22,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.96 : 31,636.74 = 16,120 : x
  2. Step 2: Convert to fraction form
    22,936.96/31,636.74 = 16,120/x
  3. Step 3: Cross multiply
    22,936.96x = 31,636.74 × 16,120
  4. Step 4: Simplify right side
    22,936.96x = 509,984,248.80
  5. Step 5: Solve for x
    x = 509,984,248.80/22,936.96
  6. Step 6: Final answer
    x = 22,234.17

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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.