Home / 18,634.42-25,715.49-10,250.86

Finding the Fourth Proportional to 18,634.42, 25,715.49 and 10,250.86

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Solution

The fourth proportional to 18,634.42, 25,715.49 and 10,250.86 is: 14,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.42 : 25,715.49 = 10,250.86 : x
  2. Step 2: Convert to fraction form
    18,634.42/25,715.49 = 10,250.86/x
  3. Step 3: Cross multiply
    18,634.42x = 25,715.49 × 10,250.86
  4. Step 4: Simplify right side
    18,634.42x = 263,605,887.82
  5. Step 5: Solve for x
    x = 263,605,887.82/18,634.42
  6. Step 6: Final answer
    x = 14,146.18

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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.