Home / 14,190.39-19,583.10-7,902.90

Finding the Fourth Proportional to 14,190.39, 19,583.10 and 7,902.90

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Solution

The fourth proportional to 14,190.39, 19,583.10 and 7,902.90 is: 10,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.39 : 19,583.10 = 7,902.90 : x
  2. Step 2: Convert to fraction form
    14,190.39/19,583.10 = 7,902.90/x
  3. Step 3: Cross multiply
    14,190.39x = 19,583.10 × 7,902.90
  4. Step 4: Simplify right side
    14,190.39x = 154,763,280.99
  5. Step 5: Solve for x
    x = 154,763,280.99/14,190.39
  6. Step 6: Final answer
    x = 10,906.20

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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.