Home / 18,749.40-25,893.54-16,219.35

Finding the Fourth Proportional to 18,749.40, 25,893.54 and 16,219.35

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Solution

The fourth proportional to 18,749.40, 25,893.54 and 16,219.35 is: 22,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.40 : 25,893.54 = 16,219.35 : x
  2. Step 2: Convert to fraction form
    18,749.40/25,893.54 = 16,219.35/x
  3. Step 3: Cross multiply
    18,749.40x = 25,893.54 × 16,219.35
  4. Step 4: Simplify right side
    18,749.40x = 419,976,388.00
  5. Step 5: Solve for x
    x = 419,976,388.00/18,749.40
  6. Step 6: Final answer
    x = 22,399.46

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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.