Home / 20,058.32-27,682.04-11,106.66

Finding the Fourth Proportional to 20,058.32, 27,682.04 and 11,106.66

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Solution

The fourth proportional to 20,058.32, 27,682.04 and 11,106.66 is: 15,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.32 : 27,682.04 = 11,106.66 : x
  2. Step 2: Convert to fraction form
    20,058.32/27,682.04 = 11,106.66/x
  3. Step 3: Cross multiply
    20,058.32x = 27,682.04 × 11,106.66
  4. Step 4: Simplify right side
    20,058.32x = 307,455,006.39
  5. Step 5: Solve for x
    x = 307,455,006.39/20,058.32
  6. Step 6: Final answer
    x = 15,328.05

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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.