Home / 19,426.37-29,147.75-11,543.94

Finding the Fourth Proportional to 19,426.37, 29,147.75 and 11,543.94

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Solution

The fourth proportional to 19,426.37, 29,147.75 and 11,543.94 is: 17,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.37 : 29,147.75 = 11,543.94 : x
  2. Step 2: Convert to fraction form
    19,426.37/29,147.75 = 11,543.94/x
  3. Step 3: Cross multiply
    19,426.37x = 29,147.75 × 11,543.94
  4. Step 4: Simplify right side
    19,426.37x = 336,479,819.42
  5. Step 5: Solve for x
    x = 336,479,819.42/19,426.37
  6. Step 6: Final answer
    x = 17,320.78

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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.