Home / 22,408.85-30,936.94-14,865.53

Finding the Fourth Proportional to 22,408.85, 30,936.94 and 14,865.53

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Solution

The fourth proportional to 22,408.85, 30,936.94 and 14,865.53 is: 20,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.85 : 30,936.94 = 14,865.53 : x
  2. Step 2: Convert to fraction form
    22,408.85/30,936.94 = 14,865.53/x
  3. Step 3: Cross multiply
    22,408.85x = 30,936.94 × 14,865.53
  4. Step 4: Simplify right side
    22,408.85x = 459,893,817.83
  5. Step 5: Solve for x
    x = 459,893,817.83/22,408.85
  6. Step 6: Final answer
    x = 20,522.86

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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.