Home / 36,006.65-54,016.37-12,316.82

Finding the Fourth Proportional to 36,006.65, 54,016.37 and 12,316.82

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Solution

The fourth proportional to 36,006.65, 54,016.37 and 12,316.82 is: 18,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.65 : 54,016.37 = 12,316.82 : x
  2. Step 2: Convert to fraction form
    36,006.65/54,016.37 = 12,316.82/x
  3. Step 3: Cross multiply
    36,006.65x = 54,016.37 × 12,316.82
  4. Step 4: Simplify right side
    36,006.65x = 665,309,844.76
  5. Step 5: Solve for x
    x = 665,309,844.76/36,006.65
  6. Step 6: Final answer
    x = 18,477.42

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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.