Home / 13,322.68-18,463.04-13,134.76

Finding the Fourth Proportional to 13,322.68, 18,463.04 and 13,134.76

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Solution

The fourth proportional to 13,322.68, 18,463.04 and 13,134.76 is: 18,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.68 : 18,463.04 = 13,134.76 : x
  2. Step 2: Convert to fraction form
    13,322.68/18,463.04 = 13,134.76/x
  3. Step 3: Cross multiply
    13,322.68x = 18,463.04 × 13,134.76
  4. Step 4: Simplify right side
    13,322.68x = 242,507,599.27
  5. Step 5: Solve for x
    x = 242,507,599.27/13,322.68
  6. Step 6: Final answer
    x = 18,202.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.