Home / 18,470.82-25,473.63-12,007.71

Finding the Fourth Proportional to 18,470.82, 25,473.63 and 12,007.71

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Solution

The fourth proportional to 18,470.82, 25,473.63 and 12,007.71 is: 16,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.82 : 25,473.63 = 12,007.71 : x
  2. Step 2: Convert to fraction form
    18,470.82/25,473.63 = 12,007.71/x
  3. Step 3: Cross multiply
    18,470.82x = 25,473.63 × 12,007.71
  4. Step 4: Simplify right side
    18,470.82x = 305,879,961.69
  5. Step 5: Solve for x
    x = 305,879,961.69/18,470.82
  6. Step 6: Final answer
    x = 16,560.17

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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.