Home / 20,162.47-27,822.09-11,663.23

Finding the Fourth Proportional to 20,162.47, 27,822.09 and 11,663.23

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Solution

The fourth proportional to 20,162.47, 27,822.09 and 11,663.23 is: 16,094.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.47 : 27,822.09 = 11,663.23 : x
  2. Step 2: Convert to fraction form
    20,162.47/27,822.09 = 11,663.23/x
  3. Step 3: Cross multiply
    20,162.47x = 27,822.09 × 11,663.23
  4. Step 4: Simplify right side
    20,162.47x = 324,495,434.75
  5. Step 5: Solve for x
    x = 324,495,434.75/20,162.47
  6. Step 6: Final answer
    x = 16,094.03

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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.