Home / 14,617.50-20,175.75-8,951.22

Finding the Fourth Proportional to 14,617.50, 20,175.75 and 8,951.22

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Solution

The fourth proportional to 14,617.50, 20,175.75 and 8,951.22 is: 12,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.50 : 20,175.75 = 8,951.22 : x
  2. Step 2: Convert to fraction form
    14,617.50/20,175.75 = 8,951.22/x
  3. Step 3: Cross multiply
    14,617.50x = 20,175.75 × 8,951.22
  4. Step 4: Simplify right side
    14,617.50x = 180,597,476.04
  5. Step 5: Solve for x
    x = 180,597,476.04/14,617.50
  6. Step 6: Final answer
    x = 12,354.89

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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.