Home / 14,795.12-20,417.42-8,080.94

Finding the Fourth Proportional to 14,795.12, 20,417.42 and 8,080.94

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Solution

The fourth proportional to 14,795.12, 20,417.42 and 8,080.94 is: 11,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.12 : 20,417.42 = 8,080.94 : x
  2. Step 2: Convert to fraction form
    14,795.12/20,417.42 = 8,080.94/x
  3. Step 3: Cross multiply
    14,795.12x = 20,417.42 × 8,080.94
  4. Step 4: Simplify right side
    14,795.12x = 164,991,945.97
  5. Step 5: Solve for x
    x = 164,991,945.97/14,795.12
  6. Step 6: Final answer
    x = 11,151.78

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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.