Home / 18,156.42-25,039.22-11,776.37

Finding the Fourth Proportional to 18,156.42, 25,039.22 and 11,776.37

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Solution

The fourth proportional to 18,156.42, 25,039.22 and 11,776.37 is: 16,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.42 : 25,039.22 = 11,776.37 : x
  2. Step 2: Convert to fraction form
    18,156.42/25,039.22 = 11,776.37/x
  3. Step 3: Cross multiply
    18,156.42x = 25,039.22 × 11,776.37
  4. Step 4: Simplify right side
    18,156.42x = 294,870,935.15
  5. Step 5: Solve for x
    x = 294,870,935.15/18,156.42
  6. Step 6: Final answer
    x = 16,240.59

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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.