Home / 20,357.59-30,538.20-5,566.58

Finding the Fourth Proportional to 20,357.59, 30,538.20 and 5,566.58

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Solution

The fourth proportional to 20,357.59, 30,538.20 and 5,566.58 is: 8,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.59 : 30,538.20 = 5,566.58 : x
  2. Step 2: Convert to fraction form
    20,357.59/30,538.20 = 5,566.58/x
  3. Step 3: Cross multiply
    20,357.59x = 30,538.20 × 5,566.58
  4. Step 4: Simplify right side
    20,357.59x = 169,993,333.36
  5. Step 5: Solve for x
    x = 169,993,333.36/20,357.59
  6. Step 6: Final answer
    x = 8,350.37

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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.