Home / 18,742.14-25,883.53-16,212.11

Finding the Fourth Proportional to 18,742.14, 25,883.53 and 16,212.11

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Solution

The fourth proportional to 18,742.14, 25,883.53 and 16,212.11 is: 22,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.14 : 25,883.53 = 16,212.11 : x
  2. Step 2: Convert to fraction form
    18,742.14/25,883.53 = 16,212.11/x
  3. Step 3: Cross multiply
    18,742.14x = 25,883.53 × 16,212.11
  4. Step 4: Simplify right side
    18,742.14x = 419,626,489.78
  5. Step 5: Solve for x
    x = 419,626,489.78/18,742.14
  6. Step 6: Final answer
    x = 22,389.46

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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.