Home / 14,003.24-21,012-9,326.56

Finding the Fourth Proportional to 14,003.24, 21,012 and 9,326.56

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Solution

The fourth proportional to 14,003.24, 21,012 and 9,326.56 is: 13,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.24 : 21,012 = 9,326.56 : x
  2. Step 2: Convert to fraction form
    14,003.24/21,012 = 9,326.56/x
  3. Step 3: Cross multiply
    14,003.24x = 21,012 × 9,326.56
  4. Step 4: Simplify right side
    14,003.24x = 195,969,678.72
  5. Step 5: Solve for x
    x = 195,969,678.72/14,003.24
  6. Step 6: Final answer
    x = 13,994.60

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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.