Home / 14,565.42-20,100.24-8,279.01

Finding the Fourth Proportional to 14,565.42, 20,100.24 and 8,279.01

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Solution

The fourth proportional to 14,565.42, 20,100.24 and 8,279.01 is: 11,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.42 : 20,100.24 = 8,279.01 : x
  2. Step 2: Convert to fraction form
    14,565.42/20,100.24 = 8,279.01/x
  3. Step 3: Cross multiply
    14,565.42x = 20,100.24 × 8,279.01
  4. Step 4: Simplify right side
    14,565.42x = 166,410,087.96
  5. Step 5: Solve for x
    x = 166,410,087.96/14,565.42
  6. Step 6: Final answer
    x = 11,425.01

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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.