Home / 19,561.62-29,345.22-6,415.02

Finding the Fourth Proportional to 19,561.62, 29,345.22 and 6,415.02

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Solution

The fourth proportional to 19,561.62, 29,345.22 and 6,415.02 is: 9,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.62 : 29,345.22 = 6,415.02 : x
  2. Step 2: Convert to fraction form
    19,561.62/29,345.22 = 6,415.02/x
  3. Step 3: Cross multiply
    19,561.62x = 29,345.22 × 6,415.02
  4. Step 4: Simplify right side
    19,561.62x = 188,250,173.20
  5. Step 5: Solve for x
    x = 188,250,173.20/19,561.62
  6. Step 6: Final answer
    x = 9,623.44

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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.