Home / 12,049.12-17,991.66-10,631.73

Finding the Fourth Proportional to 12,049.12, 17,991.66 and 10,631.73

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Solution

The fourth proportional to 12,049.12, 17,991.66 and 10,631.73 is: 15,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.12 : 17,991.66 = 10,631.73 : x
  2. Step 2: Convert to fraction form
    12,049.12/17,991.66 = 10,631.73/x
  3. Step 3: Cross multiply
    12,049.12x = 17,991.66 × 10,631.73
  4. Step 4: Simplify right side
    12,049.12x = 191,282,471.37
  5. Step 5: Solve for x
    x = 191,282,471.37/12,049.12
  6. Step 6: Final answer
    x = 15,875.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.