Home / 15,993.05-23,981.52-9,331.81

Finding the Fourth Proportional to 15,993.05, 23,981.52 and 9,331.81

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Solution

The fourth proportional to 15,993.05, 23,981.52 and 9,331.81 is: 13,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.05 : 23,981.52 = 9,331.81 : x
  2. Step 2: Convert to fraction form
    15,993.05/23,981.52 = 9,331.81/x
  3. Step 3: Cross multiply
    15,993.05x = 23,981.52 × 9,331.81
  4. Step 4: Simplify right side
    15,993.05x = 223,790,910.70
  5. Step 5: Solve for x
    x = 223,790,910.70/15,993.05
  6. Step 6: Final answer
    x = 13,993.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.