Home / 13,322.48-19,974.47-6,744.20

Finding the Fourth Proportional to 13,322.48, 19,974.47 and 6,744.20

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Solution

The fourth proportional to 13,322.48, 19,974.47 and 6,744.20 is: 10,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.48 : 19,974.47 = 6,744.20 : x
  2. Step 2: Convert to fraction form
    13,322.48/19,974.47 = 6,744.20/x
  3. Step 3: Cross multiply
    13,322.48x = 19,974.47 × 6,744.20
  4. Step 4: Simplify right side
    13,322.48x = 134,711,686.98
  5. Step 5: Solve for x
    x = 134,711,686.98/13,322.48
  6. Step 6: Final answer
    x = 10,111.61

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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.