Home / 36,016.69-54,025.34-12,643.13

Finding the Fourth Proportional to 36,016.69, 54,025.34 and 12,643.13

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Solution

The fourth proportional to 36,016.69, 54,025.34 and 12,643.13 is: 18,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.69 : 54,025.34 = 12,643.13 : x
  2. Step 2: Convert to fraction form
    36,016.69/54,025.34 = 12,643.13/x
  3. Step 3: Cross multiply
    36,016.69x = 54,025.34 × 12,643.13
  4. Step 4: Simplify right side
    36,016.69x = 683,049,063.57
  5. Step 5: Solve for x
    x = 683,049,063.57/36,016.69
  6. Step 6: Final answer
    x = 18,964.79

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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.