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Finding the Fourth Proportional to 18,907.26, 26,091.77 and 10,523.76

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Solution

The fourth proportional to 18,907.26, 26,091.77 and 10,523.76 is: 14,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.26 : 26,091.77 = 10,523.76 : x
  2. Step 2: Convert to fraction form
    18,907.26/26,091.77 = 10,523.76/x
  3. Step 3: Cross multiply
    18,907.26x = 26,091.77 × 10,523.76
  4. Step 4: Simplify right side
    18,907.26x = 274,583,472.84
  5. Step 5: Solve for x
    x = 274,583,472.84/18,907.26
  6. Step 6: Final answer
    x = 14,522.65

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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.