Home / 16,691.31-23,035.32-9,620.01

Finding the Fourth Proportional to 16,691.31, 23,035.32 and 9,620.01

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Solution

The fourth proportional to 16,691.31, 23,035.32 and 9,620.01 is: 13,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.31 : 23,035.32 = 9,620.01 : x
  2. Step 2: Convert to fraction form
    16,691.31/23,035.32 = 9,620.01/x
  3. Step 3: Cross multiply
    16,691.31x = 23,035.32 × 9,620.01
  4. Step 4: Simplify right side
    16,691.31x = 221,600,008.75
  5. Step 5: Solve for x
    x = 221,600,008.75/16,691.31
  6. Step 6: Final answer
    x = 13,276.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.