Home / 18,549.36-27,833.18-8,686.94

Finding the Fourth Proportional to 18,549.36, 27,833.18 and 8,686.94

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Solution

The fourth proportional to 18,549.36, 27,833.18 and 8,686.94 is: 13,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.36 : 27,833.18 = 8,686.94 : x
  2. Step 2: Convert to fraction form
    18,549.36/27,833.18 = 8,686.94/x
  3. Step 3: Cross multiply
    18,549.36x = 27,833.18 × 8,686.94
  4. Step 4: Simplify right side
    18,549.36x = 241,784,982.07
  5. Step 5: Solve for x
    x = 241,784,982.07/18,549.36
  6. Step 6: Final answer
    x = 13,034.68

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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.