Home / 25,447.80-38,173.32-8,809.44

Finding the Fourth Proportional to 25,447.80, 38,173.32 and 8,809.44

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Solution

The fourth proportional to 25,447.80, 38,173.32 and 8,809.44 is: 13,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.80 : 38,173.32 = 8,809.44 : x
  2. Step 2: Convert to fraction form
    25,447.80/38,173.32 = 8,809.44/x
  3. Step 3: Cross multiply
    25,447.80x = 38,173.32 × 8,809.44
  4. Step 4: Simplify right side
    25,447.80x = 336,285,572.14
  5. Step 5: Solve for x
    x = 336,285,572.14/25,447.80
  6. Step 6: Final answer
    x = 13,214.72

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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.