Home / 23,498.71-35,236.86-13,640.74

Finding the Fourth Proportional to 23,498.71, 35,236.86 and 13,640.74

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Solution

The fourth proportional to 23,498.71, 35,236.86 and 13,640.74 is: 20,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,498.71 : 35,236.86 = 13,640.74 : x
  2. Step 2: Convert to fraction form
    23,498.71/35,236.86 = 13,640.74/x
  3. Step 3: Cross multiply
    23,498.71x = 35,236.86 × 13,640.74
  4. Step 4: Simplify right side
    23,498.71x = 480,656,845.68
  5. Step 5: Solve for x
    x = 480,656,845.68/23,498.71
  6. Step 6: Final answer
    x = 20,454.61

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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.