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Finding the Fourth Proportional to 14,995.44, 20,692.80 and 9,029.04

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Solution

The fourth proportional to 14,995.44, 20,692.80 and 9,029.04 is: 12,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.44 : 20,692.80 = 9,029.04 : x
  2. Step 2: Convert to fraction form
    14,995.44/20,692.80 = 9,029.04/x
  3. Step 3: Cross multiply
    14,995.44x = 20,692.80 × 9,029.04
  4. Step 4: Simplify right side
    14,995.44x = 186,836,118.91
  5. Step 5: Solve for x
    x = 186,836,118.91/14,995.44
  6. Step 6: Final answer
    x = 12,459.53

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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.