Home / 14,566.42-20,101.80-8,278.84

Finding the Fourth Proportional to 14,566.42, 20,101.80 and 8,278.84

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Solution

The fourth proportional to 14,566.42, 20,101.80 and 8,278.84 is: 11,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.42 : 20,101.80 = 8,278.84 : x
  2. Step 2: Convert to fraction form
    14,566.42/20,101.80 = 8,278.84/x
  3. Step 3: Cross multiply
    14,566.42x = 20,101.80 × 8,278.84
  4. Step 4: Simplify right side
    14,566.42x = 166,419,585.91
  5. Step 5: Solve for x
    x = 166,419,585.91/14,566.42
  6. Step 6: Final answer
    x = 11,424.88

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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.