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Finding the Fourth Proportional to 19,156, 26,435.68 and 10,773.12

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Solution

The fourth proportional to 19,156, 26,435.68 and 10,773.12 is: 14,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156 : 26,435.68 = 10,773.12 : x
  2. Step 2: Convert to fraction form
    19,156/26,435.68 = 10,773.12/x
  3. Step 3: Cross multiply
    19,156x = 26,435.68 × 10,773.12
  4. Step 4: Simplify right side
    19,156x = 284,794,752.92
  5. Step 5: Solve for x
    x = 284,794,752.92/19,156
  6. Step 6: Final answer
    x = 14,867.13

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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.