Home / 18,570.06-25,625.16-10,186.56

Finding the Fourth Proportional to 18,570.06, 25,625.16 and 10,186.56

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Solution

The fourth proportional to 18,570.06, 25,625.16 and 10,186.56 is: 14,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.06 : 25,625.16 = 10,186.56 : x
  2. Step 2: Convert to fraction form
    18,570.06/25,625.16 = 10,186.56/x
  3. Step 3: Cross multiply
    18,570.06x = 25,625.16 × 10,186.56
  4. Step 4: Simplify right side
    18,570.06x = 261,032,229.85
  5. Step 5: Solve for x
    x = 261,032,229.85/18,570.06
  6. Step 6: Final answer
    x = 14,056.62

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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.