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Finding the Fourth Proportional to 14,753.23, 20,359.95 and 8,039.14

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Solution

The fourth proportional to 14,753.23, 20,359.95 and 8,039.14 is: 11,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.23 : 20,359.95 = 8,039.14 : x
  2. Step 2: Convert to fraction form
    14,753.23/20,359.95 = 8,039.14/x
  3. Step 3: Cross multiply
    14,753.23x = 20,359.95 × 8,039.14
  4. Step 4: Simplify right side
    14,753.23x = 163,676,488.44
  5. Step 5: Solve for x
    x = 163,676,488.44/14,753.23
  6. Step 6: Final answer
    x = 11,094.28

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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.