Home / 13,252.38-18,268.08-11,228.33

Finding the Fourth Proportional to 13,252.38, 18,268.08 and 11,228.33

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Solution

The fourth proportional to 13,252.38, 18,268.08 and 11,228.33 is: 15,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.38 : 18,268.08 = 11,228.33 : x
  2. Step 2: Convert to fraction form
    13,252.38/18,268.08 = 11,228.33/x
  3. Step 3: Cross multiply
    13,252.38x = 18,268.08 × 11,228.33
  4. Step 4: Simplify right side
    13,252.38x = 205,119,936.46
  5. Step 5: Solve for x
    x = 205,119,936.46/13,252.38
  6. Step 6: Final answer
    x = 15,477.96

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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.