Home / 13,196.24-19,794.32-5,405.06

Finding the Fourth Proportional to 13,196.24, 19,794.32 and 5,405.06

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Solution

The fourth proportional to 13,196.24, 19,794.32 and 5,405.06 is: 8,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.24 : 19,794.32 = 5,405.06 : x
  2. Step 2: Convert to fraction form
    13,196.24/19,794.32 = 5,405.06/x
  3. Step 3: Cross multiply
    13,196.24x = 19,794.32 × 5,405.06
  4. Step 4: Simplify right side
    13,196.24x = 106,989,487.26
  5. Step 5: Solve for x
    x = 106,989,487.26/13,196.24
  6. Step 6: Final answer
    x = 8,107.57

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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.