Home / 19,691.24-29,411.32-17,814.26

Finding the Fourth Proportional to 19,691.24, 29,411.32 and 17,814.26

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Solution

The fourth proportional to 19,691.24, 29,411.32 and 17,814.26 is: 26,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.24 : 29,411.32 = 17,814.26 : x
  2. Step 2: Convert to fraction form
    19,691.24/29,411.32 = 17,814.26/x
  3. Step 3: Cross multiply
    19,691.24x = 29,411.32 × 17,814.26
  4. Step 4: Simplify right side
    19,691.24x = 523,940,709.83
  5. Step 5: Solve for x
    x = 523,940,709.83/19,691.24
  6. Step 6: Final answer
    x = 26,607.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.