Home / 13,249.74-18,285.39-7,282.02

Finding the Fourth Proportional to 13,249.74, 18,285.39 and 7,282.02

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Solution

The fourth proportional to 13,249.74, 18,285.39 and 7,282.02 is: 10,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.74 : 18,285.39 = 7,282.02 : x
  2. Step 2: Convert to fraction form
    13,249.74/18,285.39 = 7,282.02/x
  3. Step 3: Cross multiply
    13,249.74x = 18,285.39 × 7,282.02
  4. Step 4: Simplify right side
    13,249.74x = 133,154,575.69
  5. Step 5: Solve for x
    x = 133,154,575.69/13,249.74
  6. Step 6: Final answer
    x = 10,049.60

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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.