Home / 14,161.08-19,540.57-7,786.62

Finding the Fourth Proportional to 14,161.08, 19,540.57 and 7,786.62

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Solution

The fourth proportional to 14,161.08, 19,540.57 and 7,786.62 is: 10,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.08 : 19,540.57 = 7,786.62 : x
  2. Step 2: Convert to fraction form
    14,161.08/19,540.57 = 7,786.62/x
  3. Step 3: Cross multiply
    14,161.08x = 19,540.57 × 7,786.62
  4. Step 4: Simplify right side
    14,161.08x = 152,154,993.17
  5. Step 5: Solve for x
    x = 152,154,993.17/14,161.08
  6. Step 6: Final answer
    x = 10,744.59

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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.