Home / 31,664.63-43,693.40-17,515.55

Finding the Fourth Proportional to 31,664.63, 43,693.40 and 17,515.55

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Solution

The fourth proportional to 31,664.63, 43,693.40 and 17,515.55 is: 24,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,664.63 : 43,693.40 = 17,515.55 : x
  2. Step 2: Convert to fraction form
    31,664.63/43,693.40 = 17,515.55/x
  3. Step 3: Cross multiply
    31,664.63x = 43,693.40 × 17,515.55
  4. Step 4: Simplify right side
    31,664.63x = 765,313,626.33
  5. Step 5: Solve for x
    x = 765,313,626.33/31,664.63
  6. Step 6: Final answer
    x = 24,169.36

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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.