Home / 22,947.56-31,668.30-13,993.04

Finding the Fourth Proportional to 22,947.56, 31,668.30 and 13,993.04

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Solution

The fourth proportional to 22,947.56, 31,668.30 and 13,993.04 is: 19,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.56 : 31,668.30 = 13,993.04 : x
  2. Step 2: Convert to fraction form
    22,947.56/31,668.30 = 13,993.04/x
  3. Step 3: Cross multiply
    22,947.56x = 31,668.30 × 13,993.04
  4. Step 4: Simplify right side
    22,947.56x = 443,135,788.63
  5. Step 5: Solve for x
    x = 443,135,788.63/22,947.56
  6. Step 6: Final answer
    x = 19,310.80

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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.