Home / 18,722.84-25,838.88-10,767.56

Finding the Fourth Proportional to 18,722.84, 25,838.88 and 10,767.56

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Solution

The fourth proportional to 18,722.84, 25,838.88 and 10,767.56 is: 14,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.84 : 25,838.88 = 10,767.56 : x
  2. Step 2: Convert to fraction form
    18,722.84/25,838.88 = 10,767.56/x
  3. Step 3: Cross multiply
    18,722.84x = 25,838.88 × 10,767.56
  4. Step 4: Simplify right side
    18,722.84x = 278,221,690.73
  5. Step 5: Solve for x
    x = 278,221,690.73/18,722.84
  6. Step 6: Final answer
    x = 14,860.02

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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.