Home / 18,072.19-27,116.48-10,691.07

Finding the Fourth Proportional to 18,072.19, 27,116.48 and 10,691.07

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Solution

The fourth proportional to 18,072.19, 27,116.48 and 10,691.07 is: 16,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.19 : 27,116.48 = 10,691.07 : x
  2. Step 2: Convert to fraction form
    18,072.19/27,116.48 = 10,691.07/x
  3. Step 3: Cross multiply
    18,072.19x = 27,116.48 × 10,691.07
  4. Step 4: Simplify right side
    18,072.19x = 289,904,185.83
  5. Step 5: Solve for x
    x = 289,904,185.83/18,072.19
  6. Step 6: Final answer
    x = 16,041.45

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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.