Home / 14,743.90-20,346.60-8,029.54

Finding the Fourth Proportional to 14,743.90, 20,346.60 and 8,029.54

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Solution

The fourth proportional to 14,743.90, 20,346.60 and 8,029.54 is: 11,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.90 : 20,346.60 = 8,029.54 : x
  2. Step 2: Convert to fraction form
    14,743.90/20,346.60 = 8,029.54/x
  3. Step 3: Cross multiply
    14,743.90x = 20,346.60 × 8,029.54
  4. Step 4: Simplify right side
    14,743.90x = 163,373,838.56
  5. Step 5: Solve for x
    x = 163,373,838.56/14,743.90
  6. Step 6: Final answer
    x = 11,080.78

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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.