Home / 18,436.16-27,654.12-11,042.72

Finding the Fourth Proportional to 18,436.16, 27,654.12 and 11,042.72

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Solution

The fourth proportional to 18,436.16, 27,654.12 and 11,042.72 is: 16,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.16 : 27,654.12 = 11,042.72 : x
  2. Step 2: Convert to fraction form
    18,436.16/27,654.12 = 11,042.72/x
  3. Step 3: Cross multiply
    18,436.16x = 27,654.12 × 11,042.72
  4. Step 4: Simplify right side
    18,436.16x = 305,376,704.01
  5. Step 5: Solve for x
    x = 305,376,704.01/18,436.16
  6. Step 6: Final answer
    x = 16,564.01

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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.