Home / 16,001.71-22,090.67-11,689.97

Finding the Fourth Proportional to 16,001.71, 22,090.67 and 11,689.97

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Solution

The fourth proportional to 16,001.71, 22,090.67 and 11,689.97 is: 16,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.71 : 22,090.67 = 11,689.97 : x
  2. Step 2: Convert to fraction form
    16,001.71/22,090.67 = 11,689.97/x
  3. Step 3: Cross multiply
    16,001.71x = 22,090.67 × 11,689.97
  4. Step 4: Simplify right side
    16,001.71x = 258,239,176.18
  5. Step 5: Solve for x
    x = 258,239,176.18/16,001.71
  6. Step 6: Final answer
    x = 16,138.22

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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.