Home / 14,104.48-21,146.72-7,079.42

Finding the Fourth Proportional to 14,104.48, 21,146.72 and 7,079.42

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Solution

The fourth proportional to 14,104.48, 21,146.72 and 7,079.42 is: 10,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.48 : 21,146.72 = 7,079.42 : x
  2. Step 2: Convert to fraction form
    14,104.48/21,146.72 = 7,079.42/x
  3. Step 3: Cross multiply
    14,104.48x = 21,146.72 × 7,079.42
  4. Step 4: Simplify right side
    14,104.48x = 149,706,450.84
  5. Step 5: Solve for x
    x = 149,706,450.84/14,104.48
  6. Step 6: Final answer
    x = 10,614.11

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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.