Home / 18,571.34-25,628.37-10,187.66

Finding the Fourth Proportional to 18,571.34, 25,628.37 and 10,187.66

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Solution

The fourth proportional to 18,571.34, 25,628.37 and 10,187.66 is: 14,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.34 : 25,628.37 = 10,187.66 : x
  2. Step 2: Convert to fraction form
    18,571.34/25,628.37 = 10,187.66/x
  3. Step 3: Cross multiply
    18,571.34x = 25,628.37 × 10,187.66
  4. Step 4: Simplify right side
    18,571.34x = 261,093,119.91
  5. Step 5: Solve for x
    x = 261,093,119.91/18,571.34
  6. Step 6: Final answer
    x = 14,058.93

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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.