Home / 18,259.34-27,400.34-11,690.24

Finding the Fourth Proportional to 18,259.34, 27,400.34 and 11,690.24

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Solution

The fourth proportional to 18,259.34, 27,400.34 and 11,690.24 is: 17,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.34 : 27,400.34 = 11,690.24 : x
  2. Step 2: Convert to fraction form
    18,259.34/27,400.34 = 11,690.24/x
  3. Step 3: Cross multiply
    18,259.34x = 27,400.34 × 11,690.24
  4. Step 4: Simplify right side
    18,259.34x = 320,316,550.68
  5. Step 5: Solve for x
    x = 320,316,550.68/18,259.34
  6. Step 6: Final answer
    x = 17,542.61

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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.