Home / 13,196.13-19,794.20-5,405.01

Finding the Fourth Proportional to 13,196.13, 19,794.20 and 5,405.01

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Solution

The fourth proportional to 13,196.13, 19,794.20 and 5,405.01 is: 8,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.13 : 19,794.20 = 5,405.01 : x
  2. Step 2: Convert to fraction form
    13,196.13/19,794.20 = 5,405.01/x
  3. Step 3: Cross multiply
    13,196.13x = 19,794.20 × 5,405.01
  4. Step 4: Simplify right side
    13,196.13x = 106,987,821.92
  5. Step 5: Solve for x
    x = 106,987,821.92/13,196.13
  6. Step 6: Final answer
    x = 8,107.52

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1.5x scale

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.