Home / 19,661.13-27,108.78-16,062.76

Finding the Fourth Proportional to 19,661.13, 27,108.78 and 16,062.76

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Solution

The fourth proportional to 19,661.13, 27,108.78 and 16,062.76 is: 22,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.13 : 27,108.78 = 16,062.76 : x
  2. Step 2: Convert to fraction form
    19,661.13/27,108.78 = 16,062.76/x
  3. Step 3: Cross multiply
    19,661.13x = 27,108.78 × 16,062.76
  4. Step 4: Simplify right side
    19,661.13x = 435,441,648.20
  5. Step 5: Solve for x
    x = 435,441,648.20/19,661.13
  6. Step 6: Final answer
    x = 22,147.34

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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.