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Finding the Fourth Proportional to 18,950.40, 26,151.75 and 10,452.89

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Solution

The fourth proportional to 18,950.40, 26,151.75 and 10,452.89 is: 14,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.40 : 26,151.75 = 10,452.89 : x
  2. Step 2: Convert to fraction form
    18,950.40/26,151.75 = 10,452.89/x
  3. Step 3: Cross multiply
    18,950.40x = 26,151.75 × 10,452.89
  4. Step 4: Simplify right side
    18,950.40x = 273,361,366.06
  5. Step 5: Solve for x
    x = 273,361,366.06/18,950.40
  6. Step 6: Final answer
    x = 14,425.10

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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.