Home / 16,021.90-22,102.17-10,361.47

Finding the Fourth Proportional to 16,021.90, 22,102.17 and 10,361.47

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Solution

The fourth proportional to 16,021.90, 22,102.17 and 10,361.47 is: 14,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.90 : 22,102.17 = 10,361.47 : x
  2. Step 2: Convert to fraction form
    16,021.90/22,102.17 = 10,361.47/x
  3. Step 3: Cross multiply
    16,021.90x = 22,102.17 × 10,361.47
  4. Step 4: Simplify right side
    16,021.90x = 229,010,971.39
  5. Step 5: Solve for x
    x = 229,010,971.39/16,021.90
  6. Step 6: Final answer
    x = 14,293.62

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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.