Home / 14,625.64-20,181.65-8,251.86

Finding the Fourth Proportional to 14,625.64, 20,181.65 and 8,251.86

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Solution

The fourth proportional to 14,625.64, 20,181.65 and 8,251.86 is: 11,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.64 : 20,181.65 = 8,251.86 : x
  2. Step 2: Convert to fraction form
    14,625.64/20,181.65 = 8,251.86/x
  3. Step 3: Cross multiply
    14,625.64x = 20,181.65 × 8,251.86
  4. Step 4: Simplify right side
    14,625.64x = 166,536,008.20
  5. Step 5: Solve for x
    x = 166,536,008.20/14,625.64
  6. Step 6: Final answer
    x = 11,386.58

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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.