Home / 20,021.45-30,026.30-7,532.46

Finding the Fourth Proportional to 20,021.45, 30,026.30 and 7,532.46

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Solution

The fourth proportional to 20,021.45, 30,026.30 and 7,532.46 is: 11,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.45 : 30,026.30 = 7,532.46 : x
  2. Step 2: Convert to fraction form
    20,021.45/30,026.30 = 7,532.46/x
  3. Step 3: Cross multiply
    20,021.45x = 30,026.30 × 7,532.46
  4. Step 4: Simplify right side
    20,021.45x = 226,171,866.04
  5. Step 5: Solve for x
    x = 226,171,866.04/20,021.45
  6. Step 6: Final answer
    x = 11,296.48

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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.