Home / 13,954.40-20,924.68-5,069.36

Finding the Fourth Proportional to 13,954.40, 20,924.68 and 5,069.36

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Solution

The fourth proportional to 13,954.40, 20,924.68 and 5,069.36 is: 7,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.40 : 20,924.68 = 5,069.36 : x
  2. Step 2: Convert to fraction form
    13,954.40/20,924.68 = 5,069.36/x
  3. Step 3: Cross multiply
    13,954.40x = 20,924.68 × 5,069.36
  4. Step 4: Simplify right side
    13,954.40x = 106,074,735.80
  5. Step 5: Solve for x
    x = 106,074,735.80/13,954.40
  6. Step 6: Final answer
    x = 7,601.53

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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.