Home / 14,469.31-21,721.70-9,543.07

Finding the Fourth Proportional to 14,469.31, 21,721.70 and 9,543.07

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Solution

The fourth proportional to 14,469.31, 21,721.70 and 9,543.07 is: 14,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.31 : 21,721.70 = 9,543.07 : x
  2. Step 2: Convert to fraction form
    14,469.31/21,721.70 = 9,543.07/x
  3. Step 3: Cross multiply
    14,469.31x = 21,721.70 × 9,543.07
  4. Step 4: Simplify right side
    14,469.31x = 207,291,703.62
  5. Step 5: Solve for x
    x = 207,291,703.62/14,469.31
  6. Step 6: Final answer
    x = 14,326.30

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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.