Home / 19,129.08-26,398.38-11,575.32

Finding the Fourth Proportional to 19,129.08, 26,398.38 and 11,575.32

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Solution

The fourth proportional to 19,129.08, 26,398.38 and 11,575.32 is: 15,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.08 : 26,398.38 = 11,575.32 : x
  2. Step 2: Convert to fraction form
    19,129.08/26,398.38 = 11,575.32/x
  3. Step 3: Cross multiply
    19,129.08x = 26,398.38 × 11,575.32
  4. Step 4: Simplify right side
    19,129.08x = 305,569,695.98
  5. Step 5: Solve for x
    x = 305,569,695.98/19,129.08
  6. Step 6: Final answer
    x = 15,974.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.