Home / 18,225.53-27,276.54-11,209.99

Finding the Fourth Proportional to 18,225.53, 27,276.54 and 11,209.99

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Solution

The fourth proportional to 18,225.53, 27,276.54 and 11,209.99 is: 16,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.53 : 27,276.54 = 11,209.99 : x
  2. Step 2: Convert to fraction form
    18,225.53/27,276.54 = 11,209.99/x
  3. Step 3: Cross multiply
    18,225.53x = 27,276.54 × 11,209.99
  4. Step 4: Simplify right side
    18,225.53x = 305,769,604.25
  5. Step 5: Solve for x
    x = 305,769,604.25/18,225.53
  6. Step 6: Final answer
    x = 16,777.00

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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.