Home / 14,739.86-20,341.40-8,366.92

Finding the Fourth Proportional to 14,739.86, 20,341.40 and 8,366.92

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Solution

The fourth proportional to 14,739.86, 20,341.40 and 8,366.92 is: 11,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.86 : 20,341.40 = 8,366.92 : x
  2. Step 2: Convert to fraction form
    14,739.86/20,341.40 = 8,366.92/x
  3. Step 3: Cross multiply
    14,739.86x = 20,341.40 × 8,366.92
  4. Step 4: Simplify right side
    14,739.86x = 170,194,773.80
  5. Step 5: Solve for x
    x = 170,194,773.80/14,739.86
  6. Step 6: Final answer
    x = 11,546.56

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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.