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Finding the Fourth Proportional to 14,992.63, 20,692.53 and 8,943.26

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Solution

The fourth proportional to 14,992.63, 20,692.53 and 8,943.26 is: 12,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.63 : 20,692.53 = 8,943.26 : x
  2. Step 2: Convert to fraction form
    14,992.63/20,692.53 = 8,943.26/x
  3. Step 3: Cross multiply
    14,992.63x = 20,692.53 × 8,943.26
  4. Step 4: Simplify right side
    14,992.63x = 185,058,572.39
  5. Step 5: Solve for x
    x = 185,058,572.39/14,992.63
  6. Step 6: Final answer
    x = 12,343.30

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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.