Home / 13,064.22-19,589.04-4,296.78

Finding the Fourth Proportional to 13,064.22, 19,589.04 and 4,296.78

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Solution

The fourth proportional to 13,064.22, 19,589.04 and 4,296.78 is: 6,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.22 : 19,589.04 = 4,296.78 : x
  2. Step 2: Convert to fraction form
    13,064.22/19,589.04 = 4,296.78/x
  3. Step 3: Cross multiply
    13,064.22x = 19,589.04 × 4,296.78
  4. Step 4: Simplify right side
    13,064.22x = 84,169,795.29
  5. Step 5: Solve for x
    x = 84,169,795.29/13,064.22
  6. Step 6: Final answer
    x = 6,442.77

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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.