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Finding the Fourth Proportional to 13,994.00, 20,990.99 and 9,598.13

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Solution

The fourth proportional to 13,994.00, 20,990.99 and 9,598.13 is: 14,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.00 : 20,990.99 = 9,598.13 : x
  2. Step 2: Convert to fraction form
    13,994.00/20,990.99 = 9,598.13/x
  3. Step 3: Cross multiply
    13,994.00x = 20,990.99 × 9,598.13
  4. Step 4: Simplify right side
    13,994.00x = 201,474,145.89
  5. Step 5: Solve for x
    x = 201,474,145.89/13,994.00
  6. Step 6: Final answer
    x = 14,397.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.