Home / 14,531.52-21,812.64-6,747.84

Finding the Fourth Proportional to 14,531.52, 21,812.64 and 6,747.84

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Solution

The fourth proportional to 14,531.52, 21,812.64 and 6,747.84 is: 10,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.52 : 21,812.64 = 6,747.84 : x
  2. Step 2: Convert to fraction form
    14,531.52/21,812.64 = 6,747.84/x
  3. Step 3: Cross multiply
    14,531.52x = 21,812.64 × 6,747.84
  4. Step 4: Simplify right side
    14,531.52x = 147,188,204.70
  5. Step 5: Solve for x
    x = 147,188,204.70/14,531.52
  6. Step 6: Final answer
    x = 10,128.89

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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.