Home / 19,129.62-26,399.67-10,631.73

Finding the Fourth Proportional to 19,129.62, 26,399.67 and 10,631.73

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Solution

The fourth proportional to 19,129.62, 26,399.67 and 10,631.73 is: 14,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.62 : 26,399.67 = 10,631.73 : x
  2. Step 2: Convert to fraction form
    19,129.62/26,399.67 = 10,631.73/x
  3. Step 3: Cross multiply
    19,129.62x = 26,399.67 × 10,631.73
  4. Step 4: Simplify right side
    19,129.62x = 280,674,163.53
  5. Step 5: Solve for x
    x = 280,674,163.53/19,129.62
  6. Step 6: Final answer
    x = 14,672.23

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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.