Home / 18,155.53-27,233.30-8,292.16

Finding the Fourth Proportional to 18,155.53, 27,233.30 and 8,292.16

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Solution

The fourth proportional to 18,155.53, 27,233.30 and 8,292.16 is: 12,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.53 : 27,233.30 = 8,292.16 : x
  2. Step 2: Convert to fraction form
    18,155.53/27,233.30 = 8,292.16/x
  3. Step 3: Cross multiply
    18,155.53x = 27,233.30 × 8,292.16
  4. Step 4: Simplify right side
    18,155.53x = 225,822,880.93
  5. Step 5: Solve for x
    x = 225,822,880.93/18,155.53
  6. Step 6: Final answer
    x = 12,438.24

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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.