Home / 14,949.98-20,631.11-8,235.63

Finding the Fourth Proportional to 14,949.98, 20,631.11 and 8,235.63

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Solution

The fourth proportional to 14,949.98, 20,631.11 and 8,235.63 is: 11,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.98 : 20,631.11 = 8,235.63 : x
  2. Step 2: Convert to fraction form
    14,949.98/20,631.11 = 8,235.63/x
  3. Step 3: Cross multiply
    14,949.98x = 20,631.11 × 8,235.63
  4. Step 4: Simplify right side
    14,949.98x = 169,910,188.45
  5. Step 5: Solve for x
    x = 169,910,188.45/14,949.98
  6. Step 6: Final answer
    x = 11,365.25

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Double scale
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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.