Home / 20,841.59-31,251.74-6,792.58

Finding the Fourth Proportional to 20,841.59, 31,251.74 and 6,792.58

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Solution

The fourth proportional to 20,841.59, 31,251.74 and 6,792.58 is: 10,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.59 : 31,251.74 = 6,792.58 : x
  2. Step 2: Convert to fraction form
    20,841.59/31,251.74 = 6,792.58/x
  3. Step 3: Cross multiply
    20,841.59x = 31,251.74 × 6,792.58
  4. Step 4: Simplify right side
    20,841.59x = 212,279,753.87
  5. Step 5: Solve for x
    x = 212,279,753.87/20,841.59
  6. Step 6: Final answer
    x = 10,185.39

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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.