Home / 36,689.12-55,023.16-14,194.56

Finding the Fourth Proportional to 36,689.12, 55,023.16 and 14,194.56

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Solution

The fourth proportional to 36,689.12, 55,023.16 and 14,194.56 is: 21,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.12 : 55,023.16 = 14,194.56 : x
  2. Step 2: Convert to fraction form
    36,689.12/55,023.16 = 14,194.56/x
  3. Step 3: Cross multiply
    36,689.12x = 55,023.16 × 14,194.56
  4. Step 4: Simplify right side
    36,689.12x = 781,029,546.01
  5. Step 5: Solve for x
    x = 781,029,546.01/36,689.12
  6. Step 6: Final answer
    x = 21,287.77

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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.