Home / 29,105.38-43,666.13-11,587.51

Finding the Fourth Proportional to 29,105.38, 43,666.13 and 11,587.51

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Solution

The fourth proportional to 29,105.38, 43,666.13 and 11,587.51 is: 17,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.38 : 43,666.13 = 11,587.51 : x
  2. Step 2: Convert to fraction form
    29,105.38/43,666.13 = 11,587.51/x
  3. Step 3: Cross multiply
    29,105.38x = 43,666.13 × 11,587.51
  4. Step 4: Simplify right side
    29,105.38x = 505,981,550.93
  5. Step 5: Solve for x
    x = 505,981,550.93/29,105.38
  6. Step 6: Final answer
    x = 17,384.47

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1.5x scale

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.