Home / 14,593.28-20,137.90-8,625.50

Finding the Fourth Proportional to 14,593.28, 20,137.90 and 8,625.50

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Solution

The fourth proportional to 14,593.28, 20,137.90 and 8,625.50 is: 11,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.28 : 20,137.90 = 8,625.50 : x
  2. Step 2: Convert to fraction form
    14,593.28/20,137.90 = 8,625.50/x
  3. Step 3: Cross multiply
    14,593.28x = 20,137.90 × 8,625.50
  4. Step 4: Simplify right side
    14,593.28x = 173,699,456.45
  5. Step 5: Solve for x
    x = 173,699,456.45/14,593.28
  6. Step 6: Final answer
    x = 11,902.70

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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.