Home / 18,589.07-27,887.99-6,109.13

Finding the Fourth Proportional to 18,589.07, 27,887.99 and 6,109.13

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Solution

The fourth proportional to 18,589.07, 27,887.99 and 6,109.13 is: 9,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.07 : 27,887.99 = 6,109.13 : x
  2. Step 2: Convert to fraction form
    18,589.07/27,887.99 = 6,109.13/x
  3. Step 3: Cross multiply
    18,589.07x = 27,887.99 × 6,109.13
  4. Step 4: Simplify right side
    18,589.07x = 170,371,186.36
  5. Step 5: Solve for x
    x = 170,371,186.36/18,589.07
  6. Step 6: Final answer
    x = 9,165.13

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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.