Home / 13,107.24-19,666.62-4,343.40

Finding the Fourth Proportional to 13,107.24, 19,666.62 and 4,343.40

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Solution

The fourth proportional to 13,107.24, 19,666.62 and 4,343.40 is: 6,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.24 : 19,666.62 = 4,343.40 : x
  2. Step 2: Convert to fraction form
    13,107.24/19,666.62 = 4,343.40/x
  3. Step 3: Cross multiply
    13,107.24x = 19,666.62 × 4,343.40
  4. Step 4: Simplify right side
    13,107.24x = 85,419,997.31
  5. Step 5: Solve for x
    x = 85,419,997.31/13,107.24
  6. Step 6: Final answer
    x = 6,517.01

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1.5x scale

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.