Home / 20,026.36-27,632.10-11,638.36

Finding the Fourth Proportional to 20,026.36, 27,632.10 and 11,638.36

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Solution

The fourth proportional to 20,026.36, 27,632.10 and 11,638.36 is: 16,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.36 : 27,632.10 = 11,638.36 : x
  2. Step 2: Convert to fraction form
    20,026.36/27,632.10 = 11,638.36/x
  3. Step 3: Cross multiply
    20,026.36x = 27,632.10 × 11,638.36
  4. Step 4: Simplify right side
    20,026.36x = 321,592,327.36
  5. Step 5: Solve for x
    x = 321,592,327.36/20,026.36
  6. Step 6: Final answer
    x = 16,058.45

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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.