Home / 14,796.17-20,419.07-8,081.75

Finding the Fourth Proportional to 14,796.17, 20,419.07 and 8,081.75

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Solution

The fourth proportional to 14,796.17, 20,419.07 and 8,081.75 is: 11,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.17 : 20,419.07 = 8,081.75 : x
  2. Step 2: Convert to fraction form
    14,796.17/20,419.07 = 8,081.75/x
  3. Step 3: Cross multiply
    14,796.17x = 20,419.07 × 8,081.75
  4. Step 4: Simplify right side
    14,796.17x = 165,021,818.97
  5. Step 5: Solve for x
    x = 165,021,818.97/14,796.17
  6. Step 6: Final answer
    x = 11,153.01

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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.