Home / 19,850.65-27,391.85-11,892.67

Finding the Fourth Proportional to 19,850.65, 27,391.85 and 11,892.67

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Solution

The fourth proportional to 19,850.65, 27,391.85 and 11,892.67 is: 16,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.65 : 27,391.85 = 11,892.67 : x
  2. Step 2: Convert to fraction form
    19,850.65/27,391.85 = 11,892.67/x
  3. Step 3: Cross multiply
    19,850.65x = 27,391.85 × 11,892.67
  4. Step 4: Simplify right side
    19,850.65x = 325,762,232.74
  5. Step 5: Solve for x
    x = 325,762,232.74/19,850.65
  6. Step 6: Final answer
    x = 16,410.66

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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.