Home / 18,749.84-28,202.52-16,961.36

Finding the Fourth Proportional to 18,749.84, 28,202.52 and 16,961.36

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Solution

The fourth proportional to 18,749.84, 28,202.52 and 16,961.36 is: 25,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.84 : 28,202.52 = 16,961.36 : x
  2. Step 2: Convert to fraction form
    18,749.84/28,202.52 = 16,961.36/x
  3. Step 3: Cross multiply
    18,749.84x = 28,202.52 × 16,961.36
  4. Step 4: Simplify right side
    18,749.84x = 478,353,094.63
  5. Step 5: Solve for x
    x = 478,353,094.63/18,749.84
  6. Step 6: Final answer
    x = 25,512.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.