Home / 18,749.21-25,893.27-16,219.17

Finding the Fourth Proportional to 18,749.21, 25,893.27 and 16,219.17

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Solution

The fourth proportional to 18,749.21, 25,893.27 and 16,219.17 is: 22,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.21 : 25,893.27 = 16,219.17 : x
  2. Step 2: Convert to fraction form
    18,749.21/25,893.27 = 16,219.17/x
  3. Step 3: Cross multiply
    18,749.21x = 25,893.27 × 16,219.17
  4. Step 4: Simplify right side
    18,749.21x = 419,967,347.99
  5. Step 5: Solve for x
    x = 419,967,347.99/18,749.21
  6. Step 6: Final answer
    x = 22,399.21

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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.