Home / 13,104.23-19,656.11-3,243.51

Finding the Fourth Proportional to 13,104.23, 19,656.11 and 3,243.51

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Solution

The fourth proportional to 13,104.23, 19,656.11 and 3,243.51 is: 4,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.23 : 19,656.11 = 3,243.51 : x
  2. Step 2: Convert to fraction form
    13,104.23/19,656.11 = 3,243.51/x
  3. Step 3: Cross multiply
    13,104.23x = 19,656.11 × 3,243.51
  4. Step 4: Simplify right side
    13,104.23x = 63,754,797.45
  5. Step 5: Solve for x
    x = 63,754,797.45/13,104.23
  6. Step 6: Final answer
    x = 4,865.21

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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.