Home / 18,565.29-27,893.57-11,904.66

Finding the Fourth Proportional to 18,565.29, 27,893.57 and 11,904.66

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Solution

The fourth proportional to 18,565.29, 27,893.57 and 11,904.66 is: 17,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.29 : 27,893.57 = 11,904.66 : x
  2. Step 2: Convert to fraction form
    18,565.29/27,893.57 = 11,904.66/x
  3. Step 3: Cross multiply
    18,565.29x = 27,893.57 × 11,904.66
  4. Step 4: Simplify right side
    18,565.29x = 332,063,407.51
  5. Step 5: Solve for x
    x = 332,063,407.51/18,565.29
  6. Step 6: Final answer
    x = 17,886.25

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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.