Home / 18,557.07-25,608.84-11,105.07

Finding the Fourth Proportional to 18,557.07, 25,608.84 and 11,105.07

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Solution

The fourth proportional to 18,557.07, 25,608.84 and 11,105.07 is: 15,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.07 : 25,608.84 = 11,105.07 : x
  2. Step 2: Convert to fraction form
    18,557.07/25,608.84 = 11,105.07/x
  3. Step 3: Cross multiply
    18,557.07x = 25,608.84 × 11,105.07
  4. Step 4: Simplify right side
    18,557.07x = 284,387,960.82
  5. Step 5: Solve for x
    x = 284,387,960.82/18,557.07
  6. Step 6: Final answer
    x = 15,325.05

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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.