Home / 13,179.24-19,772.51-5,393.52

Finding the Fourth Proportional to 13,179.24, 19,772.51 and 5,393.52

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Solution

The fourth proportional to 13,179.24, 19,772.51 and 5,393.52 is: 8,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.24 : 19,772.51 = 5,393.52 : x
  2. Step 2: Convert to fraction form
    13,179.24/19,772.51 = 5,393.52/x
  3. Step 3: Cross multiply
    13,179.24x = 19,772.51 × 5,393.52
  4. Step 4: Simplify right side
    13,179.24x = 106,643,401.17
  5. Step 5: Solve for x
    x = 106,643,401.17/13,179.24
  6. Step 6: Final answer
    x = 8,091.77

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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.