Home / 19,581.90-27,023.09-10,629.41

Finding the Fourth Proportional to 19,581.90, 27,023.09 and 10,629.41

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Solution

The fourth proportional to 19,581.90, 27,023.09 and 10,629.41 is: 14,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.90 : 27,023.09 = 10,629.41 : x
  2. Step 2: Convert to fraction form
    19,581.90/27,023.09 = 10,629.41/x
  3. Step 3: Cross multiply
    19,581.90x = 27,023.09 × 10,629.41
  4. Step 4: Simplify right side
    19,581.90x = 287,239,314.81
  5. Step 5: Solve for x
    x = 287,239,314.81/19,581.90
  6. Step 6: Final answer
    x = 14,668.61

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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.