Home / 19,557.10-29,338.44-6,406.66

Finding the Fourth Proportional to 19,557.10, 29,338.44 and 6,406.66

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Solution

The fourth proportional to 19,557.10, 29,338.44 and 6,406.66 is: 9,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.10 : 29,338.44 = 6,406.66 : x
  2. Step 2: Convert to fraction form
    19,557.10/29,338.44 = 6,406.66/x
  3. Step 3: Cross multiply
    19,557.10x = 29,338.44 × 6,406.66
  4. Step 4: Simplify right side
    19,557.10x = 187,961,410.01
  5. Step 5: Solve for x
    x = 187,961,410.01/19,557.10
  6. Step 6: Final answer
    x = 9,610.90

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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.