Home / 13,493.52-18,621.50-7,525.44

Finding the Fourth Proportional to 13,493.52, 18,621.50 and 7,525.44

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Solution

The fourth proportional to 13,493.52, 18,621.50 and 7,525.44 is: 10,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.52 : 18,621.50 = 7,525.44 : x
  2. Step 2: Convert to fraction form
    13,493.52/18,621.50 = 7,525.44/x
  3. Step 3: Cross multiply
    13,493.52x = 18,621.50 × 7,525.44
  4. Step 4: Simplify right side
    13,493.52x = 140,134,943.33
  5. Step 5: Solve for x
    x = 140,134,943.33/13,493.52
  6. Step 6: Final answer
    x = 10,385.35

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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.