Home / 25,900.91-38,851.38-11,100.23

Finding the Fourth Proportional to 25,900.91, 38,851.38 and 11,100.23

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Solution

The fourth proportional to 25,900.91, 38,851.38 and 11,100.23 is: 16,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.91 : 38,851.38 = 11,100.23 : x
  2. Step 2: Convert to fraction form
    25,900.91/38,851.38 = 11,100.23/x
  3. Step 3: Cross multiply
    25,900.91x = 38,851.38 × 11,100.23
  4. Step 4: Simplify right side
    25,900.91x = 431,259,059.56
  5. Step 5: Solve for x
    x = 431,259,059.56/25,900.91
  6. Step 6: Final answer
    x = 16,650.35

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Half scale
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Double scale
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Similar ratio
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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.