Home / 19,581.66-27,022.71-10,629.16

Finding the Fourth Proportional to 19,581.66, 27,022.71 and 10,629.16

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Solution

The fourth proportional to 19,581.66, 27,022.71 and 10,629.16 is: 14,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.66 : 27,022.71 = 10,629.16 : x
  2. Step 2: Convert to fraction form
    19,581.66/27,022.71 = 10,629.16/x
  3. Step 3: Cross multiply
    19,581.66x = 27,022.71 × 10,629.16
  4. Step 4: Simplify right side
    19,581.66x = 287,228,708.22
  5. Step 5: Solve for x
    x = 287,228,708.22/19,581.66
  6. Step 6: Final answer
    x = 14,668.25

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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.