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Finding the Fourth Proportional to 19,174.64, 26,461 and 10,791.12

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Solution

The fourth proportional to 19,174.64, 26,461 and 10,791.12 is: 14,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.64 : 26,461 = 10,791.12 : x
  2. Step 2: Convert to fraction form
    19,174.64/26,461 = 10,791.12/x
  3. Step 3: Cross multiply
    19,174.64x = 26,461 × 10,791.12
  4. Step 4: Simplify right side
    19,174.64x = 285,543,826.32
  5. Step 5: Solve for x
    x = 285,543,826.32/19,174.64
  6. Step 6: Final answer
    x = 14,891.74

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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.