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Finding the Fourth Proportional to 14,373.14, 19,834.89 and 8,085.51

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Solution

The fourth proportional to 14,373.14, 19,834.89 and 8,085.51 is: 11,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.14 : 19,834.89 = 8,085.51 : x
  2. Step 2: Convert to fraction form
    14,373.14/19,834.89 = 8,085.51/x
  3. Step 3: Cross multiply
    14,373.14x = 19,834.89 × 8,085.51
  4. Step 4: Simplify right side
    14,373.14x = 160,375,201.44
  5. Step 5: Solve for x
    x = 160,375,201.44/14,373.14
  6. Step 6: Final answer
    x = 11,157.98

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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.