Home / 18,190.54-25,100.70-11,473.63

Finding the Fourth Proportional to 18,190.54, 25,100.70 and 11,473.63

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Solution

The fourth proportional to 18,190.54, 25,100.70 and 11,473.63 is: 15,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.54 : 25,100.70 = 11,473.63 : x
  2. Step 2: Convert to fraction form
    18,190.54/25,100.70 = 11,473.63/x
  3. Step 3: Cross multiply
    18,190.54x = 25,100.70 × 11,473.63
  4. Step 4: Simplify right side
    18,190.54x = 287,996,144.54
  5. Step 5: Solve for x
    x = 287,996,144.54/18,190.54
  6. Step 6: Final answer
    x = 15,832.19

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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.