Home / 19,569.87-29,317.90-15,165.80

Finding the Fourth Proportional to 19,569.87, 29,317.90 and 15,165.80

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Solution

The fourth proportional to 19,569.87, 29,317.90 and 15,165.80 is: 22,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.87 : 29,317.90 = 15,165.80 : x
  2. Step 2: Convert to fraction form
    19,569.87/29,317.90 = 15,165.80/x
  3. Step 3: Cross multiply
    19,569.87x = 29,317.90 × 15,165.80
  4. Step 4: Simplify right side
    19,569.87x = 444,629,185.40
  5. Step 5: Solve for x
    x = 444,629,185.40/19,569.87
  6. Step 6: Final answer
    x = 22,720.09

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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.