Home / 19,581.50-27,022.29-10,629.29

Finding the Fourth Proportional to 19,581.50, 27,022.29 and 10,629.29

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Solution

The fourth proportional to 19,581.50, 27,022.29 and 10,629.29 is: 14,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.50 : 27,022.29 = 10,629.29 : x
  2. Step 2: Convert to fraction form
    19,581.50/27,022.29 = 10,629.29/x
  3. Step 3: Cross multiply
    19,581.50x = 27,022.29 × 10,629.29
  4. Step 4: Simplify right side
    19,581.50x = 287,227,756.87
  5. Step 5: Solve for x
    x = 287,227,756.87/19,581.50
  6. Step 6: Final answer
    x = 14,668.32

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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.