Home / 18,113.04-27,160.20-10,719.81

Finding the Fourth Proportional to 18,113.04, 27,160.20 and 10,719.81

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Solution

The fourth proportional to 18,113.04, 27,160.20 and 10,719.81 is: 16,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.04 : 27,160.20 = 10,719.81 : x
  2. Step 2: Convert to fraction form
    18,113.04/27,160.20 = 10,719.81/x
  3. Step 3: Cross multiply
    18,113.04x = 27,160.20 × 10,719.81
  4. Step 4: Simplify right side
    18,113.04x = 291,152,183.56
  5. Step 5: Solve for x
    x = 291,152,183.56/18,113.04
  6. Step 6: Final answer
    x = 16,074.18

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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.