Home / 20,056.77-30,084.21-5,265.36

Finding the Fourth Proportional to 20,056.77, 30,084.21 and 5,265.36

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Solution

The fourth proportional to 20,056.77, 30,084.21 and 5,265.36 is: 7,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.77 : 30,084.21 = 5,265.36 : x
  2. Step 2: Convert to fraction form
    20,056.77/30,084.21 = 5,265.36/x
  3. Step 3: Cross multiply
    20,056.77x = 30,084.21 × 5,265.36
  4. Step 4: Simplify right side
    20,056.77x = 158,404,195.97
  5. Step 5: Solve for x
    x = 158,404,195.97/20,056.77
  6. Step 6: Final answer
    x = 7,897.79

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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.