Home / 14,940.58-20,617.20-8,224.90

Finding the Fourth Proportional to 14,940.58, 20,617.20 and 8,224.90

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Solution

The fourth proportional to 14,940.58, 20,617.20 and 8,224.90 is: 11,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.58 : 20,617.20 = 8,224.90 : x
  2. Step 2: Convert to fraction form
    14,940.58/20,617.20 = 8,224.90/x
  3. Step 3: Cross multiply
    14,940.58x = 20,617.20 × 8,224.90
  4. Step 4: Simplify right side
    14,940.58x = 169,574,408.28
  5. Step 5: Solve for x
    x = 169,574,408.28/14,940.58
  6. Step 6: Final answer
    x = 11,349.92

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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.