Home / 13,322.64-19,983.96-6,750.71

Finding the Fourth Proportional to 13,322.64, 19,983.96 and 6,750.71

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Solution

The fourth proportional to 13,322.64, 19,983.96 and 6,750.71 is: 10,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.64 : 19,983.96 = 6,750.71 : x
  2. Step 2: Convert to fraction form
    13,322.64/19,983.96 = 6,750.71/x
  3. Step 3: Cross multiply
    13,322.64x = 19,983.96 × 6,750.71
  4. Step 4: Simplify right side
    13,322.64x = 134,905,818.69
  5. Step 5: Solve for x
    x = 134,905,818.69/13,322.64
  6. Step 6: Final answer
    x = 10,126.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.