Home / 13,282.22-18,329.46-7,313.87

Finding the Fourth Proportional to 13,282.22, 18,329.46 and 7,313.87

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Solution

The fourth proportional to 13,282.22, 18,329.46 and 7,313.87 is: 10,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.22 : 18,329.46 = 7,313.87 : x
  2. Step 2: Convert to fraction form
    13,282.22/18,329.46 = 7,313.87/x
  3. Step 3: Cross multiply
    13,282.22x = 18,329.46 × 7,313.87
  4. Step 4: Simplify right side
    13,282.22x = 134,059,333.43
  5. Step 5: Solve for x
    x = 134,059,333.43/13,282.22
  6. Step 6: Final answer
    x = 10,093.14

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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.