Home / 20,037.05-30,034.37-7,551.66

Finding the Fourth Proportional to 20,037.05, 30,034.37 and 7,551.66

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Solution

The fourth proportional to 20,037.05, 30,034.37 and 7,551.66 is: 11,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.05 : 30,034.37 = 7,551.66 : x
  2. Step 2: Convert to fraction form
    20,037.05/30,034.37 = 7,551.66/x
  3. Step 3: Cross multiply
    20,037.05x = 30,034.37 × 7,551.66
  4. Step 4: Simplify right side
    20,037.05x = 226,809,350.55
  5. Step 5: Solve for x
    x = 226,809,350.55/20,037.05
  6. Step 6: Final answer
    x = 11,319.50

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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.