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Finding the Fourth Proportional to 14,944.95, 20,633.96 and 9,288.14

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Solution

The fourth proportional to 14,944.95, 20,633.96 and 9,288.14 is: 12,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.95 : 20,633.96 = 9,288.14 : x
  2. Step 2: Convert to fraction form
    14,944.95/20,633.96 = 9,288.14/x
  3. Step 3: Cross multiply
    14,944.95x = 20,633.96 × 9,288.14
  4. Step 4: Simplify right side
    14,944.95x = 191,651,184.04
  5. Step 5: Solve for x
    x = 191,651,184.04/14,944.95
  6. Step 6: Final answer
    x = 12,823.81

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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.