Home / 25,951.83-35,771.46-20,276.68

Finding the Fourth Proportional to 25,951.83, 35,771.46 and 20,276.68

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Solution

The fourth proportional to 25,951.83, 35,771.46 and 20,276.68 is: 27,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.83 : 35,771.46 = 20,276.68 : x
  2. Step 2: Convert to fraction form
    25,951.83/35,771.46 = 20,276.68/x
  3. Step 3: Cross multiply
    25,951.83x = 35,771.46 × 20,276.68
  4. Step 4: Simplify right side
    25,951.83x = 725,326,434.70
  5. Step 5: Solve for x
    x = 725,326,434.70/25,951.83
  6. Step 6: Final answer
    x = 27,948.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.