Home / 14,759.32-20,367.66-8,471.56

Finding the Fourth Proportional to 14,759.32, 20,367.66 and 8,471.56

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Solution

The fourth proportional to 14,759.32, 20,367.66 and 8,471.56 is: 11,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.32 : 20,367.66 = 8,471.56 : x
  2. Step 2: Convert to fraction form
    14,759.32/20,367.66 = 8,471.56/x
  3. Step 3: Cross multiply
    14,759.32x = 20,367.66 × 8,471.56
  4. Step 4: Simplify right side
    14,759.32x = 172,545,853.75
  5. Step 5: Solve for x
    x = 172,545,853.75/14,759.32
  6. Step 6: Final answer
    x = 11,690.64

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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.