Home / 13,216.12-19,824.16-3,355.40

Finding the Fourth Proportional to 13,216.12, 19,824.16 and 3,355.40

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Solution

The fourth proportional to 13,216.12, 19,824.16 and 3,355.40 is: 5,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.12 : 19,824.16 = 3,355.40 : x
  2. Step 2: Convert to fraction form
    13,216.12/19,824.16 = 3,355.40/x
  3. Step 3: Cross multiply
    13,216.12x = 19,824.16 × 3,355.40
  4. Step 4: Simplify right side
    13,216.12x = 66,517,986.46
  5. Step 5: Solve for x
    x = 66,517,986.46/13,216.12
  6. Step 6: Final answer
    x = 5,033.09

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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.