Home / 19,439.34-29,163.32-5,587.26

Finding the Fourth Proportional to 19,439.34, 29,163.32 and 5,587.26

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Solution

The fourth proportional to 19,439.34, 29,163.32 and 5,587.26 is: 8,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.34 : 29,163.32 = 5,587.26 : x
  2. Step 2: Convert to fraction form
    19,439.34/29,163.32 = 5,587.26/x
  3. Step 3: Cross multiply
    19,439.34x = 29,163.32 × 5,587.26
  4. Step 4: Simplify right side
    19,439.34x = 162,943,051.30
  5. Step 5: Solve for x
    x = 162,943,051.30/19,439.34
  6. Step 6: Final answer
    x = 8,382.13

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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.