Home / 19,561.88-29,345.26-6,410.72

Finding the Fourth Proportional to 19,561.88, 29,345.26 and 6,410.72

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Solution

The fourth proportional to 19,561.88, 29,345.26 and 6,410.72 is: 9,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.88 : 29,345.26 = 6,410.72 : x
  2. Step 2: Convert to fraction form
    19,561.88/29,345.26 = 6,410.72/x
  3. Step 3: Cross multiply
    19,561.88x = 29,345.26 × 6,410.72
  4. Step 4: Simplify right side
    19,561.88x = 188,124,245.19
  5. Step 5: Solve for x
    x = 188,124,245.19/19,561.88
  6. Step 6: Final answer
    x = 9,616.88

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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.