Home / 14,226.85-19,633.03-7,939.22

Finding the Fourth Proportional to 14,226.85, 19,633.03 and 7,939.22

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Solution

The fourth proportional to 14,226.85, 19,633.03 and 7,939.22 is: 10,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.85 : 19,633.03 = 7,939.22 : x
  2. Step 2: Convert to fraction form
    14,226.85/19,633.03 = 7,939.22/x
  3. Step 3: Cross multiply
    14,226.85x = 19,633.03 × 7,939.22
  4. Step 4: Simplify right side
    14,226.85x = 155,870,944.44
  5. Step 5: Solve for x
    x = 155,870,944.44/14,226.85
  6. Step 6: Final answer
    x = 10,956.11

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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.