Home / 18,300.88-25,245.48-11,132.99

Finding the Fourth Proportional to 18,300.88, 25,245.48 and 11,132.99

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Solution

The fourth proportional to 18,300.88, 25,245.48 and 11,132.99 is: 15,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.88 : 25,245.48 = 11,132.99 : x
  2. Step 2: Convert to fraction form
    18,300.88/25,245.48 = 11,132.99/x
  3. Step 3: Cross multiply
    18,300.88x = 25,245.48 × 11,132.99
  4. Step 4: Simplify right side
    18,300.88x = 281,057,623.95
  5. Step 5: Solve for x
    x = 281,057,623.95/18,300.88
  6. Step 6: Final answer
    x = 15,357.60

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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.