Home / 14,049.29-21,071.81-5,282.16

Finding the Fourth Proportional to 14,049.29, 21,071.81 and 5,282.16

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Solution

The fourth proportional to 14,049.29, 21,071.81 and 5,282.16 is: 7,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.29 : 21,071.81 = 5,282.16 : x
  2. Step 2: Convert to fraction form
    14,049.29/21,071.81 = 5,282.16/x
  3. Step 3: Cross multiply
    14,049.29x = 21,071.81 × 5,282.16
  4. Step 4: Simplify right side
    14,049.29x = 111,304,606.10
  5. Step 5: Solve for x
    x = 111,304,606.10/14,049.29
  6. Step 6: Final answer
    x = 7,922.43

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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.