Home / 19,894.87-27,453.68-11,941.48

Finding the Fourth Proportional to 19,894.87, 27,453.68 and 11,941.48

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Solution

The fourth proportional to 19,894.87, 27,453.68 and 11,941.48 is: 16,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.87 : 27,453.68 = 11,941.48 : x
  2. Step 2: Convert to fraction form
    19,894.87/27,453.68 = 11,941.48/x
  3. Step 3: Cross multiply
    19,894.87x = 27,453.68 × 11,941.48
  4. Step 4: Simplify right side
    19,894.87x = 327,837,502.78
  5. Step 5: Solve for x
    x = 327,837,502.78/19,894.87
  6. Step 6: Final answer
    x = 16,478.50

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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.