Home / 14,961.82-20,646.37-8,247.08

Finding the Fourth Proportional to 14,961.82, 20,646.37 and 8,247.08

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Solution

The fourth proportional to 14,961.82, 20,646.37 and 8,247.08 is: 11,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.82 : 20,646.37 = 8,247.08 : x
  2. Step 2: Convert to fraction form
    14,961.82/20,646.37 = 8,247.08/x
  3. Step 3: Cross multiply
    14,961.82x = 20,646.37 × 8,247.08
  4. Step 4: Simplify right side
    14,961.82x = 170,272,265.10
  5. Step 5: Solve for x
    x = 170,272,265.10/14,961.82
  6. Step 6: Final answer
    x = 11,380.45

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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.