Home / 14,757.06-20,364.48-8,042.75

Finding the Fourth Proportional to 14,757.06, 20,364.48 and 8,042.75

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Solution

The fourth proportional to 14,757.06, 20,364.48 and 8,042.75 is: 11,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.06 : 20,364.48 = 8,042.75 : x
  2. Step 2: Convert to fraction form
    14,757.06/20,364.48 = 8,042.75/x
  3. Step 3: Cross multiply
    14,757.06x = 20,364.48 × 8,042.75
  4. Step 4: Simplify right side
    14,757.06x = 163,786,319.70
  5. Step 5: Solve for x
    x = 163,786,319.70/14,757.06
  6. Step 6: Final answer
    x = 11,098.84

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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.