Home / 13,268.92-18,299.64-10,284.88

Finding the Fourth Proportional to 13,268.92, 18,299.64 and 10,284.88

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Solution

The fourth proportional to 13,268.92, 18,299.64 and 10,284.88 is: 14,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.92 : 18,299.64 = 10,284.88 : x
  2. Step 2: Convert to fraction form
    13,268.92/18,299.64 = 10,284.88/x
  3. Step 3: Cross multiply
    13,268.92x = 18,299.64 × 10,284.88
  4. Step 4: Simplify right side
    13,268.92x = 188,209,601.44
  5. Step 5: Solve for x
    x = 188,209,601.44/13,268.92
  6. Step 6: Final answer
    x = 14,184.24

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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.