Home / 18,782.62-25,919.85-10,824.67

Finding the Fourth Proportional to 18,782.62, 25,919.85 and 10,824.67

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Solution

The fourth proportional to 18,782.62, 25,919.85 and 10,824.67 is: 14,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.62 : 25,919.85 = 10,824.67 : x
  2. Step 2: Convert to fraction form
    18,782.62/25,919.85 = 10,824.67/x
  3. Step 3: Cross multiply
    18,782.62x = 25,919.85 × 10,824.67
  4. Step 4: Simplify right side
    18,782.62x = 280,573,822.70
  5. Step 5: Solve for x
    x = 280,573,822.70/18,782.62
  6. Step 6: Final answer
    x = 14,937.95

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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.