Home / 18,634.86-25,716.56-10,679.58

Finding the Fourth Proportional to 18,634.86, 25,716.56 and 10,679.58

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Solution

The fourth proportional to 18,634.86, 25,716.56 and 10,679.58 is: 14,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.86 : 25,716.56 = 10,679.58 : x
  2. Step 2: Convert to fraction form
    18,634.86/25,716.56 = 10,679.58/x
  3. Step 3: Cross multiply
    18,634.86x = 25,716.56 × 10,679.58
  4. Step 4: Simplify right side
    18,634.86x = 274,642,006.45
  5. Step 5: Solve for x
    x = 274,642,006.45/18,634.86
  6. Step 6: Final answer
    x = 14,738.08

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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.