Home / 14,352.68-21,529.56-5,118.68

Finding the Fourth Proportional to 14,352.68, 21,529.56 and 5,118.68

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Solution

The fourth proportional to 14,352.68, 21,529.56 and 5,118.68 is: 7,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.68 : 21,529.56 = 5,118.68 : x
  2. Step 2: Convert to fraction form
    14,352.68/21,529.56 = 5,118.68/x
  3. Step 3: Cross multiply
    14,352.68x = 21,529.56 × 5,118.68
  4. Step 4: Simplify right side
    14,352.68x = 110,202,928.18
  5. Step 5: Solve for x
    x = 110,202,928.18/14,352.68
  6. Step 6: Final answer
    x = 7,678.21

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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.