Home / 19,731.10-27,226.46-11,234.32

Finding the Fourth Proportional to 19,731.10, 27,226.46 and 11,234.32

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Solution

The fourth proportional to 19,731.10, 27,226.46 and 11,234.32 is: 15,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.10 : 27,226.46 = 11,234.32 : x
  2. Step 2: Convert to fraction form
    19,731.10/27,226.46 = 11,234.32/x
  3. Step 3: Cross multiply
    19,731.10x = 27,226.46 × 11,234.32
  4. Step 4: Simplify right side
    19,731.10x = 305,870,764.11
  5. Step 5: Solve for x
    x = 305,870,764.11/19,731.10
  6. Step 6: Final answer
    x = 15,501.96

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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.