Home / 14,158.53-21,253.19-8,241.89

Finding the Fourth Proportional to 14,158.53, 21,253.19 and 8,241.89

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Solution

The fourth proportional to 14,158.53, 21,253.19 and 8,241.89 is: 12,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.53 : 21,253.19 = 8,241.89 : x
  2. Step 2: Convert to fraction form
    14,158.53/21,253.19 = 8,241.89/x
  3. Step 3: Cross multiply
    14,158.53x = 21,253.19 × 8,241.89
  4. Step 4: Simplify right side
    14,158.53x = 175,166,306.65
  5. Step 5: Solve for x
    x = 175,166,306.65/14,158.53
  6. Step 6: Final answer
    x = 12,371.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.