Home / 13,293.80-19,943.40-4,529.06

Finding the Fourth Proportional to 13,293.80, 19,943.40 and 4,529.06

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Solution

The fourth proportional to 13,293.80, 19,943.40 and 4,529.06 is: 6,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.80 : 19,943.40 = 4,529.06 : x
  2. Step 2: Convert to fraction form
    13,293.80/19,943.40 = 4,529.06/x
  3. Step 3: Cross multiply
    13,293.80x = 19,943.40 × 4,529.06
  4. Step 4: Simplify right side
    13,293.80x = 90,324,855.20
  5. Step 5: Solve for x
    x = 90,324,855.20/13,293.80
  6. Step 6: Final answer
    x = 6,794.51

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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.