Home / 20,687.17-31,035.63-5,896.30

Finding the Fourth Proportional to 20,687.17, 31,035.63 and 5,896.30

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Solution

The fourth proportional to 20,687.17, 31,035.63 and 5,896.30 is: 8,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687.17 : 31,035.63 = 5,896.30 : x
  2. Step 2: Convert to fraction form
    20,687.17/31,035.63 = 5,896.30/x
  3. Step 3: Cross multiply
    20,687.17x = 31,035.63 × 5,896.30
  4. Step 4: Simplify right side
    20,687.17x = 182,995,385.17
  5. Step 5: Solve for x
    x = 182,995,385.17/20,687.17
  6. Step 6: Final answer
    x = 8,845.84

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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.