Home / 25,540.40-38,304.24-10,749.44

Finding the Fourth Proportional to 25,540.40, 38,304.24 and 10,749.44

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Solution

The fourth proportional to 25,540.40, 38,304.24 and 10,749.44 is: 16,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.40 : 38,304.24 = 10,749.44 : x
  2. Step 2: Convert to fraction form
    25,540.40/38,304.24 = 10,749.44/x
  3. Step 3: Cross multiply
    25,540.40x = 38,304.24 × 10,749.44
  4. Step 4: Simplify right side
    25,540.40x = 411,749,129.63
  5. Step 5: Solve for x
    x = 411,749,129.63/25,540.40
  6. Step 6: Final answer
    x = 16,121.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.