Home / 18,332.62-27,479.25-12,005.08

Finding the Fourth Proportional to 18,332.62, 27,479.25 and 12,005.08

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Solution

The fourth proportional to 18,332.62, 27,479.25 and 12,005.08 is: 17,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.62 : 27,479.25 = 12,005.08 : x
  2. Step 2: Convert to fraction form
    18,332.62/27,479.25 = 12,005.08/x
  3. Step 3: Cross multiply
    18,332.62x = 27,479.25 × 12,005.08
  4. Step 4: Simplify right side
    18,332.62x = 329,890,594.59
  5. Step 5: Solve for x
    x = 329,890,594.59/18,332.62
  6. Step 6: Final answer
    x = 17,994.73

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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.