Home / 20,058.78-27,683.52-11,675.28

Finding the Fourth Proportional to 20,058.78, 27,683.52 and 11,675.28

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Solution

The fourth proportional to 20,058.78, 27,683.52 and 11,675.28 is: 16,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.78 : 27,683.52 = 11,675.28 : x
  2. Step 2: Convert to fraction form
    20,058.78/27,683.52 = 11,675.28/x
  3. Step 3: Cross multiply
    20,058.78x = 27,683.52 × 11,675.28
  4. Step 4: Simplify right side
    20,058.78x = 323,212,847.39
  5. Step 5: Solve for x
    x = 323,212,847.39/20,058.78
  6. Step 6: Final answer
    x = 16,113.29

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1.5x scale

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.