Home / 13,493.92-18,621.56-7,525.44

Finding the Fourth Proportional to 13,493.92, 18,621.56 and 7,525.44

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Solution

The fourth proportional to 13,493.92, 18,621.56 and 7,525.44 is: 10,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.92 : 18,621.56 = 7,525.44 : x
  2. Step 2: Convert to fraction form
    13,493.92/18,621.56 = 7,525.44/x
  3. Step 3: Cross multiply
    13,493.92x = 18,621.56 × 7,525.44
  4. Step 4: Simplify right side
    13,493.92x = 140,135,432.49
  5. Step 5: Solve for x
    x = 140,135,432.49/13,493.92
  6. Step 6: Final answer
    x = 10,385.08

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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.