Home / 14,179.16-19,571.54-8,212.29

Finding the Fourth Proportional to 14,179.16, 19,571.54 and 8,212.29

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Solution

The fourth proportional to 14,179.16, 19,571.54 and 8,212.29 is: 11,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.16 : 19,571.54 = 8,212.29 : x
  2. Step 2: Convert to fraction form
    14,179.16/19,571.54 = 8,212.29/x
  3. Step 3: Cross multiply
    14,179.16x = 19,571.54 × 8,212.29
  4. Step 4: Simplify right side
    14,179.16x = 160,727,121.17
  5. Step 5: Solve for x
    x = 160,727,121.17/14,179.16
  6. Step 6: Final answer
    x = 11,335.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.