Home / 14,568.69-21,849.87-5,209.36

Finding the Fourth Proportional to 14,568.69, 21,849.87 and 5,209.36

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Solution

The fourth proportional to 14,568.69, 21,849.87 and 5,209.36 is: 7,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.69 : 21,849.87 = 5,209.36 : x
  2. Step 2: Convert to fraction form
    14,568.69/21,849.87 = 5,209.36/x
  3. Step 3: Cross multiply
    14,568.69x = 21,849.87 × 5,209.36
  4. Step 4: Simplify right side
    14,568.69x = 113,823,784.16
  5. Step 5: Solve for x
    x = 113,823,784.16/14,568.69
  6. Step 6: Final answer
    x = 7,812.90

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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.