Home / 18,088.11-27,131.22-10,739.25

Finding the Fourth Proportional to 18,088.11, 27,131.22 and 10,739.25

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Solution

The fourth proportional to 18,088.11, 27,131.22 and 10,739.25 is: 16,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.11 : 27,131.22 = 10,739.25 : x
  2. Step 2: Convert to fraction form
    18,088.11/27,131.22 = 10,739.25/x
  3. Step 3: Cross multiply
    18,088.11x = 27,131.22 × 10,739.25
  4. Step 4: Simplify right side
    18,088.11x = 291,368,954.39
  5. Step 5: Solve for x
    x = 291,368,954.39/18,088.11
  6. Step 6: Final answer
    x = 16,108.31

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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.