Home / 37,235.64-55,863.18-12,279.48

Finding the Fourth Proportional to 37,235.64, 55,863.18 and 12,279.48

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Solution

The fourth proportional to 37,235.64, 55,863.18 and 12,279.48 is: 18,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235.64 : 55,863.18 = 12,279.48 : x
  2. Step 2: Convert to fraction form
    37,235.64/55,863.18 = 12,279.48/x
  3. Step 3: Cross multiply
    37,235.64x = 55,863.18 × 12,279.48
  4. Step 4: Simplify right side
    37,235.64x = 685,970,801.55
  5. Step 5: Solve for x
    x = 685,970,801.55/37,235.64
  6. Step 6: Final answer
    x = 18,422.43

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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.