Home / 18,445.20-27,653.67-8,577.27

Finding the Fourth Proportional to 18,445.20, 27,653.67 and 8,577.27

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Solution

The fourth proportional to 18,445.20, 27,653.67 and 8,577.27 is: 12,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.20 : 27,653.67 = 8,577.27 : x
  2. Step 2: Convert to fraction form
    18,445.20/27,653.67 = 8,577.27/x
  3. Step 3: Cross multiply
    18,445.20x = 27,653.67 × 8,577.27
  4. Step 4: Simplify right side
    18,445.20x = 237,192,994.08
  5. Step 5: Solve for x
    x = 237,192,994.08/18,445.20
  6. Step 6: Final answer
    x = 12,859.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.