Home / 20,116.59-30,177.54-7,464.60

Finding the Fourth Proportional to 20,116.59, 30,177.54 and 7,464.60

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Solution

The fourth proportional to 20,116.59, 30,177.54 and 7,464.60 is: 11,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.59 : 30,177.54 = 7,464.60 : x
  2. Step 2: Convert to fraction form
    20,116.59/30,177.54 = 7,464.60/x
  3. Step 3: Cross multiply
    20,116.59x = 30,177.54 × 7,464.60
  4. Step 4: Simplify right side
    20,116.59x = 225,263,265.08
  5. Step 5: Solve for x
    x = 225,263,265.08/20,116.59
  6. Step 6: Final answer
    x = 11,197.89

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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.