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Finding the Fourth Proportional to 18,950.54, 26,151.95 and 10,453.03

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Solution

The fourth proportional to 18,950.54, 26,151.95 and 10,453.03 is: 14,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.54 : 26,151.95 = 10,453.03 : x
  2. Step 2: Convert to fraction form
    18,950.54/26,151.95 = 10,453.03/x
  3. Step 3: Cross multiply
    18,950.54x = 26,151.95 × 10,453.03
  4. Step 4: Simplify right side
    18,950.54x = 273,367,078.66
  5. Step 5: Solve for x
    x = 273,367,078.66/18,950.54
  6. Step 6: Final answer
    x = 14,425.30

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.