Home / 14,188.06-19,581.89-8,223.36

Finding the Fourth Proportional to 14,188.06, 19,581.89 and 8,223.36

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Solution

The fourth proportional to 14,188.06, 19,581.89 and 8,223.36 is: 11,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.06 : 19,581.89 = 8,223.36 : x
  2. Step 2: Convert to fraction form
    14,188.06/19,581.89 = 8,223.36/x
  3. Step 3: Cross multiply
    14,188.06x = 19,581.89 × 8,223.36
  4. Step 4: Simplify right side
    14,188.06x = 161,028,930.95
  5. Step 5: Solve for x
    x = 161,028,930.95/14,188.06
  6. Step 6: Final answer
    x = 11,349.61

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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.