Home / 17,154.92-25,705.81-11,900.15

Finding the Fourth Proportional to 17,154.92, 25,705.81 and 11,900.15

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Solution

The fourth proportional to 17,154.92, 25,705.81 and 11,900.15 is: 17,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.92 : 25,705.81 = 11,900.15 : x
  2. Step 2: Convert to fraction form
    17,154.92/25,705.81 = 11,900.15/x
  3. Step 3: Cross multiply
    17,154.92x = 25,705.81 × 11,900.15
  4. Step 4: Simplify right side
    17,154.92x = 305,902,994.87
  5. Step 5: Solve for x
    x = 305,902,994.87/17,154.92
  6. Step 6: Final answer
    x = 17,831.79

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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.