Home / 18,571.24-27,838.50-6,881.32

Finding the Fourth Proportional to 18,571.24, 27,838.50 and 6,881.32

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Solution

The fourth proportional to 18,571.24, 27,838.50 and 6,881.32 is: 10,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.24 : 27,838.50 = 6,881.32 : x
  2. Step 2: Convert to fraction form
    18,571.24/27,838.50 = 6,881.32/x
  3. Step 3: Cross multiply
    18,571.24x = 27,838.50 × 6,881.32
  4. Step 4: Simplify right side
    18,571.24x = 191,565,626.82
  5. Step 5: Solve for x
    x = 191,565,626.82/18,571.24
  6. Step 6: Final answer
    x = 10,315.18

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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.