Home / 18,744.15-25,867.71-10,786.41

Finding the Fourth Proportional to 18,744.15, 25,867.71 and 10,786.41

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Solution

The fourth proportional to 18,744.15, 25,867.71 and 10,786.41 is: 14,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.15 : 25,867.71 = 10,786.41 : x
  2. Step 2: Convert to fraction form
    18,744.15/25,867.71 = 10,786.41/x
  3. Step 3: Cross multiply
    18,744.15x = 25,867.71 × 10,786.41
  4. Step 4: Simplify right side
    18,744.15x = 279,019,725.82
  5. Step 5: Solve for x
    x = 279,019,725.82/18,744.15
  6. Step 6: Final answer
    x = 14,885.70

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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.