Home / 13,353.68-20,033.28-5,033.60

Finding the Fourth Proportional to 13,353.68, 20,033.28 and 5,033.60

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Solution

The fourth proportional to 13,353.68, 20,033.28 and 5,033.60 is: 7,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.68 : 20,033.28 = 5,033.60 : x
  2. Step 2: Convert to fraction form
    13,353.68/20,033.28 = 5,033.60/x
  3. Step 3: Cross multiply
    13,353.68x = 20,033.28 × 5,033.60
  4. Step 4: Simplify right side
    13,353.68x = 100,839,518.21
  5. Step 5: Solve for x
    x = 100,839,518.21/13,353.68
  6. Step 6: Final answer
    x = 7,551.44

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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.