Home / 18,549.16-27,792.46-9,176.68

Finding the Fourth Proportional to 18,549.16, 27,792.46 and 9,176.68

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Solution

The fourth proportional to 18,549.16, 27,792.46 and 9,176.68 is: 13,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.16 : 27,792.46 = 9,176.68 : x
  2. Step 2: Convert to fraction form
    18,549.16/27,792.46 = 9,176.68/x
  3. Step 3: Cross multiply
    18,549.16x = 27,792.46 × 9,176.68
  4. Step 4: Simplify right side
    18,549.16x = 255,042,511.83
  5. Step 5: Solve for x
    x = 255,042,511.83/18,549.16
  6. Step 6: Final answer
    x = 13,749.55

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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.