Home / 13,192.87-19,784.74-3,830.35

Finding the Fourth Proportional to 13,192.87, 19,784.74 and 3,830.35

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Solution

The fourth proportional to 13,192.87, 19,784.74 and 3,830.35 is: 5,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.87 : 19,784.74 = 3,830.35 : x
  2. Step 2: Convert to fraction form
    13,192.87/19,784.74 = 3,830.35/x
  3. Step 3: Cross multiply
    13,192.87x = 19,784.74 × 3,830.35
  4. Step 4: Simplify right side
    13,192.87x = 75,782,360.78
  5. Step 5: Solve for x
    x = 75,782,360.78/13,192.87
  6. Step 6: Final answer
    x = 5,744.19

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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.