Home / 13,763.24-18,993.60-7,794.92

Finding the Fourth Proportional to 13,763.24, 18,993.60 and 7,794.92

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Solution

The fourth proportional to 13,763.24, 18,993.60 and 7,794.92 is: 10,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.24 : 18,993.60 = 7,794.92 : x
  2. Step 2: Convert to fraction form
    13,763.24/18,993.60 = 7,794.92/x
  3. Step 3: Cross multiply
    13,763.24x = 18,993.60 × 7,794.92
  4. Step 4: Simplify right side
    13,763.24x = 148,053,592.51
  5. Step 5: Solve for x
    x = 148,053,592.51/13,763.24
  6. Step 6: Final answer
    x = 10,757.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.