Home / 19,561.12-29,331.06-6,904.54

Finding the Fourth Proportional to 19,561.12, 29,331.06 and 6,904.54

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Solution

The fourth proportional to 19,561.12, 29,331.06 and 6,904.54 is: 10,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.12 : 29,331.06 = 6,904.54 : x
  2. Step 2: Convert to fraction form
    19,561.12/29,331.06 = 6,904.54/x
  3. Step 3: Cross multiply
    19,561.12x = 29,331.06 × 6,904.54
  4. Step 4: Simplify right side
    19,561.12x = 202,517,477.01
  5. Step 5: Solve for x
    x = 202,517,477.01/19,561.12
  6. Step 6: Final answer
    x = 10,353.06

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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.