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Finding the Fourth Proportional to 14,523.53, 20,044.13 and 8,555.09

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Solution

The fourth proportional to 14,523.53, 20,044.13 and 8,555.09 is: 11,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.53 : 20,044.13 = 8,555.09 : x
  2. Step 2: Convert to fraction form
    14,523.53/20,044.13 = 8,555.09/x
  3. Step 3: Cross multiply
    14,523.53x = 20,044.13 × 8,555.09
  4. Step 4: Simplify right side
    14,523.53x = 171,479,193.13
  5. Step 5: Solve for x
    x = 171,479,193.13/14,523.53
  6. Step 6: Final answer
    x = 11,807.00

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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.