Home / 18,257.54-27,386.30-16,639.16

Finding the Fourth Proportional to 18,257.54, 27,386.30 and 16,639.16

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Solution

The fourth proportional to 18,257.54, 27,386.30 and 16,639.16 is: 24,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.54 : 27,386.30 = 16,639.16 : x
  2. Step 2: Convert to fraction form
    18,257.54/27,386.30 = 16,639.16/x
  3. Step 3: Cross multiply
    18,257.54x = 27,386.30 × 16,639.16
  4. Step 4: Simplify right side
    18,257.54x = 455,684,932.17
  5. Step 5: Solve for x
    x = 455,684,932.17/18,257.54
  6. Step 6: Final answer
    x = 24,958.73

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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.