Home / 14,196.13-21,272.28-8,991.07

Finding the Fourth Proportional to 14,196.13, 21,272.28 and 8,991.07

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Solution

The fourth proportional to 14,196.13, 21,272.28 and 8,991.07 is: 13,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.13 : 21,272.28 = 8,991.07 : x
  2. Step 2: Convert to fraction form
    14,196.13/21,272.28 = 8,991.07/x
  3. Step 3: Cross multiply
    14,196.13x = 21,272.28 × 8,991.07
  4. Step 4: Simplify right side
    14,196.13x = 191,260,558.54
  5. Step 5: Solve for x
    x = 191,260,558.54/14,196.13
  6. Step 6: Final answer
    x = 13,472.73

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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.