Home / 14,937.50-20,613.26-8,223.12

Finding the Fourth Proportional to 14,937.50, 20,613.26 and 8,223.12

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Solution

The fourth proportional to 14,937.50, 20,613.26 and 8,223.12 is: 11,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.50 : 20,613.26 = 8,223.12 : x
  2. Step 2: Convert to fraction form
    14,937.50/20,613.26 = 8,223.12/x
  3. Step 3: Cross multiply
    14,937.50x = 20,613.26 × 8,223.12
  4. Step 4: Simplify right side
    14,937.50x = 169,505,310.57
  5. Step 5: Solve for x
    x = 169,505,310.57/14,937.50
  6. Step 6: Final answer
    x = 11,347.64

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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.