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Finding the Fourth Proportional to 14,753.19, 20,359.50 and 8,039.00

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Solution

The fourth proportional to 14,753.19, 20,359.50 and 8,039.00 is: 11,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.19 : 20,359.50 = 8,039.00 : x
  2. Step 2: Convert to fraction form
    14,753.19/20,359.50 = 8,039.00/x
  3. Step 3: Cross multiply
    14,753.19x = 20,359.50 × 8,039.00
  4. Step 4: Simplify right side
    14,753.19x = 163,669,971.95
  5. Step 5: Solve for x
    x = 163,669,971.95/14,753.19
  6. Step 6: Final answer
    x = 11,093.87

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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.