Home / 14,480.44-21,722.38-5,118.53

Finding the Fourth Proportional to 14,480.44, 21,722.38 and 5,118.53

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Solution

The fourth proportional to 14,480.44, 21,722.38 and 5,118.53 is: 7,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.44 : 21,722.38 = 5,118.53 : x
  2. Step 2: Convert to fraction form
    14,480.44/21,722.38 = 5,118.53/x
  3. Step 3: Cross multiply
    14,480.44x = 21,722.38 × 5,118.53
  4. Step 4: Simplify right side
    14,480.44x = 111,186,532.29
  5. Step 5: Solve for x
    x = 111,186,532.29/14,480.44
  6. Step 6: Final answer
    x = 7,678.40

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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.