Home / 16,620.02-24,914.64-8,720.90

Finding the Fourth Proportional to 16,620.02, 24,914.64 and 8,720.90

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Solution

The fourth proportional to 16,620.02, 24,914.64 and 8,720.90 is: 13,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.02 : 24,914.64 = 8,720.90 : x
  2. Step 2: Convert to fraction form
    16,620.02/24,914.64 = 8,720.90/x
  3. Step 3: Cross multiply
    16,620.02x = 24,914.64 × 8,720.90
  4. Step 4: Simplify right side
    16,620.02x = 217,278,083.98
  5. Step 5: Solve for x
    x = 217,278,083.98/16,620.02
  6. Step 6: Final answer
    x = 13,073.27

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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.