Home / 14,887.92-20,544.56-8,173.34

Finding the Fourth Proportional to 14,887.92, 20,544.56 and 8,173.34

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Solution

The fourth proportional to 14,887.92, 20,544.56 and 8,173.34 is: 11,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.92 : 20,544.56 = 8,173.34 : x
  2. Step 2: Convert to fraction form
    14,887.92/20,544.56 = 8,173.34/x
  3. Step 3: Cross multiply
    14,887.92x = 20,544.56 × 8,173.34
  4. Step 4: Simplify right side
    14,887.92x = 167,917,674.03
  5. Step 5: Solve for x
    x = 167,917,674.03/14,887.92
  6. Step 6: Final answer
    x = 11,278.79

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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.