Home / 13,519.25-18,656.52-7,550.92

Finding the Fourth Proportional to 13,519.25, 18,656.52 and 7,550.92

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Solution

The fourth proportional to 13,519.25, 18,656.52 and 7,550.92 is: 10,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.25 : 18,656.52 = 7,550.92 : x
  2. Step 2: Convert to fraction form
    13,519.25/18,656.52 = 7,550.92/x
  3. Step 3: Cross multiply
    13,519.25x = 18,656.52 × 7,550.92
  4. Step 4: Simplify right side
    13,519.25x = 140,873,890.00
  5. Step 5: Solve for x
    x = 140,873,890.00/13,519.25
  6. Step 6: Final answer
    x = 10,420.24

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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.