Home / 18,690.53-25,792.61-10,192.67

Finding the Fourth Proportional to 18,690.53, 25,792.61 and 10,192.67

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Solution

The fourth proportional to 18,690.53, 25,792.61 and 10,192.67 is: 14,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.53 : 25,792.61 = 10,192.67 : x
  2. Step 2: Convert to fraction form
    18,690.53/25,792.61 = 10,192.67/x
  3. Step 3: Cross multiply
    18,690.53x = 25,792.61 × 10,192.67
  4. Step 4: Simplify right side
    18,690.53x = 262,895,458.69
  5. Step 5: Solve for x
    x = 262,895,458.69/18,690.53
  6. Step 6: Final answer
    x = 14,065.71

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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.