Home / 14,523.20-21,781.91-6,623.57

Finding the Fourth Proportional to 14,523.20, 21,781.91 and 6,623.57

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Solution

The fourth proportional to 14,523.20, 21,781.91 and 6,623.57 is: 9,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.20 : 21,781.91 = 6,623.57 : x
  2. Step 2: Convert to fraction form
    14,523.20/21,781.91 = 6,623.57/x
  3. Step 3: Cross multiply
    14,523.20x = 21,781.91 × 6,623.57
  4. Step 4: Simplify right side
    14,523.20x = 144,274,076.63
  5. Step 5: Solve for x
    x = 144,274,076.63/14,523.20
  6. Step 6: Final answer
    x = 9,934.04

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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.