Home / 14,734.08-20,334-8,446.56

Finding the Fourth Proportional to 14,734.08, 20,334 and 8,446.56

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Solution

The fourth proportional to 14,734.08, 20,334 and 8,446.56 is: 11,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.08 : 20,334 = 8,446.56 : x
  2. Step 2: Convert to fraction form
    14,734.08/20,334 = 8,446.56/x
  3. Step 3: Cross multiply
    14,734.08x = 20,334 × 8,446.56
  4. Step 4: Simplify right side
    14,734.08x = 171,752,351.04
  5. Step 5: Solve for x
    x = 171,752,351.04/14,734.08
  6. Step 6: Final answer
    x = 11,656.81

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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.