Home / 20,701.37-31,052.57-7,553.75

Finding the Fourth Proportional to 20,701.37, 31,052.57 and 7,553.75

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Solution

The fourth proportional to 20,701.37, 31,052.57 and 7,553.75 is: 11,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.37 : 31,052.57 = 7,553.75 : x
  2. Step 2: Convert to fraction form
    20,701.37/31,052.57 = 7,553.75/x
  3. Step 3: Cross multiply
    20,701.37x = 31,052.57 × 7,553.75
  4. Step 4: Simplify right side
    20,701.37x = 234,563,214.26
  5. Step 5: Solve for x
    x = 234,563,214.26/20,701.37
  6. Step 6: Final answer
    x = 11,330.80

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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.