Home / 18,579.52-25,638.96-10,195.48

Finding the Fourth Proportional to 18,579.52, 25,638.96 and 10,195.48

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Solution

The fourth proportional to 18,579.52, 25,638.96 and 10,195.48 is: 14,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.52 : 25,638.96 = 10,195.48 : x
  2. Step 2: Convert to fraction form
    18,579.52/25,638.96 = 10,195.48/x
  3. Step 3: Cross multiply
    18,579.52x = 25,638.96 × 10,195.48
  4. Step 4: Simplify right side
    18,579.52x = 261,401,503.90
  5. Step 5: Solve for x
    x = 261,401,503.90/18,579.52
  6. Step 6: Final answer
    x = 14,069.34

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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.