Home / 13,717.32-20,577.15-5,396.82

Finding the Fourth Proportional to 13,717.32, 20,577.15 and 5,396.82

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Solution

The fourth proportional to 13,717.32, 20,577.15 and 5,396.82 is: 8,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.32 : 20,577.15 = 5,396.82 : x
  2. Step 2: Convert to fraction form
    13,717.32/20,577.15 = 5,396.82/x
  3. Step 3: Cross multiply
    13,717.32x = 20,577.15 × 5,396.82
  4. Step 4: Simplify right side
    13,717.32x = 111,051,174.66
  5. Step 5: Solve for x
    x = 111,051,174.66/13,717.32
  6. Step 6: Final answer
    x = 8,095.69

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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.