Home / 13,761.62-20,635.91-5,332.07

Finding the Fourth Proportional to 13,761.62, 20,635.91 and 5,332.07

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Solution

The fourth proportional to 13,761.62, 20,635.91 and 5,332.07 is: 7,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.62 : 20,635.91 = 5,332.07 : x
  2. Step 2: Convert to fraction form
    13,761.62/20,635.91 = 5,332.07/x
  3. Step 3: Cross multiply
    13,761.62x = 20,635.91 × 5,332.07
  4. Step 4: Simplify right side
    13,761.62x = 110,032,026.78
  5. Step 5: Solve for x
    x = 110,032,026.78/13,761.62
  6. Step 6: Final answer
    x = 7,995.58

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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.