Home / 18,181.52-27,252.64-8,801.72

Finding the Fourth Proportional to 18,181.52, 27,252.64 and 8,801.72

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Solution

The fourth proportional to 18,181.52, 27,252.64 and 8,801.72 is: 13,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.52 : 27,252.64 = 8,801.72 : x
  2. Step 2: Convert to fraction form
    18,181.52/27,252.64 = 8,801.72/x
  3. Step 3: Cross multiply
    18,181.52x = 27,252.64 × 8,801.72
  4. Step 4: Simplify right side
    18,181.52x = 239,870,106.54
  5. Step 5: Solve for x
    x = 239,870,106.54/18,181.52
  6. Step 6: Final answer
    x = 13,193.07

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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.