Home / 20,184.58-30,287.40-11,436.58

Finding the Fourth Proportional to 20,184.58, 30,287.40 and 11,436.58

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Solution

The fourth proportional to 20,184.58, 30,287.40 and 11,436.58 is: 17,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.58 : 30,287.40 = 11,436.58 : x
  2. Step 2: Convert to fraction form
    20,184.58/30,287.40 = 11,436.58/x
  3. Step 3: Cross multiply
    20,184.58x = 30,287.40 × 11,436.58
  4. Step 4: Simplify right side
    20,184.58x = 346,384,273.09
  5. Step 5: Solve for x
    x = 346,384,273.09/20,184.58
  6. Step 6: Final answer
    x = 17,160.84

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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.