Home / 22,936.53-31,647.60-14,990.43

Finding the Fourth Proportional to 22,936.53, 31,647.60 and 14,990.43

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Solution

The fourth proportional to 22,936.53, 31,647.60 and 14,990.43 is: 20,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.53 : 31,647.60 = 14,990.43 : x
  2. Step 2: Convert to fraction form
    22,936.53/31,647.60 = 14,990.43/x
  3. Step 3: Cross multiply
    22,936.53x = 31,647.60 × 14,990.43
  4. Step 4: Simplify right side
    22,936.53x = 474,411,132.47
  5. Step 5: Solve for x
    x = 474,411,132.47/22,936.53
  6. Step 6: Final answer
    x = 20,683.65

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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.