Home / 14,937.30-20,613.96-8,223.62

Finding the Fourth Proportional to 14,937.30, 20,613.96 and 8,223.62

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Solution

The fourth proportional to 14,937.30, 20,613.96 and 8,223.62 is: 11,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.30 : 20,613.96 = 8,223.62 : x
  2. Step 2: Convert to fraction form
    14,937.30/20,613.96 = 8,223.62/x
  3. Step 3: Cross multiply
    14,937.30x = 20,613.96 × 8,223.62
  4. Step 4: Simplify right side
    14,937.30x = 169,521,270.67
  5. Step 5: Solve for x
    x = 169,521,270.67/14,937.30
  6. Step 6: Final answer
    x = 11,348.86

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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.