Home / 20,108.46-27,742.63-11,610.34

Finding the Fourth Proportional to 20,108.46, 27,742.63 and 11,610.34

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Solution

The fourth proportional to 20,108.46, 27,742.63 and 11,610.34 is: 16,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.46 : 27,742.63 = 11,610.34 : x
  2. Step 2: Convert to fraction form
    20,108.46/27,742.63 = 11,610.34/x
  3. Step 3: Cross multiply
    20,108.46x = 27,742.63 × 11,610.34
  4. Step 4: Simplify right side
    20,108.46x = 322,101,366.79
  5. Step 5: Solve for x
    x = 322,101,366.79/20,108.46
  6. Step 6: Final answer
    x = 16,018.20

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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.