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Finding the Fourth Proportional to 17,813.70, 26,760.15 and 14,897.70

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Solution

The fourth proportional to 17,813.70, 26,760.15 and 14,897.70 is: 22,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.70 : 26,760.15 = 14,897.70 : x
  2. Step 2: Convert to fraction form
    17,813.70/26,760.15 = 14,897.70/x
  3. Step 3: Cross multiply
    17,813.70x = 26,760.15 × 14,897.70
  4. Step 4: Simplify right side
    17,813.70x = 398,664,686.66
  5. Step 5: Solve for x
    x = 398,664,686.66/17,813.70
  6. Step 6: Final answer
    x = 22,379.67

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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.