Home / 18,649.55-25,736.71-10,151.92

Finding the Fourth Proportional to 18,649.55, 25,736.71 and 10,151.92

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Solution

The fourth proportional to 18,649.55, 25,736.71 and 10,151.92 is: 14,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.55 : 25,736.71 = 10,151.92 : x
  2. Step 2: Convert to fraction form
    18,649.55/25,736.71 = 10,151.92/x
  3. Step 3: Cross multiply
    18,649.55x = 25,736.71 × 10,151.92
  4. Step 4: Simplify right side
    18,649.55x = 261,276,991.98
  5. Step 5: Solve for x
    x = 261,276,991.98/18,649.55
  6. Step 6: Final answer
    x = 14,009.83

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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.