Home / 20,022.60-30,048.86-7,554.92

Finding the Fourth Proportional to 20,022.60, 30,048.86 and 7,554.92

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Solution

The fourth proportional to 20,022.60, 30,048.86 and 7,554.92 is: 11,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.60 : 30,048.86 = 7,554.92 : x
  2. Step 2: Convert to fraction form
    20,022.60/30,048.86 = 7,554.92/x
  3. Step 3: Cross multiply
    20,022.60x = 30,048.86 × 7,554.92
  4. Step 4: Simplify right side
    20,022.60x = 227,016,733.39
  5. Step 5: Solve for x
    x = 227,016,733.39/20,022.60
  6. Step 6: Final answer
    x = 11,338.02

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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.