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Finding the Fourth Proportional to 19,137.93, 26,411.23 and 10,640.93

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Solution

The fourth proportional to 19,137.93, 26,411.23 and 10,640.93 is: 14,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.93 : 26,411.23 = 10,640.93 : x
  2. Step 2: Convert to fraction form
    19,137.93/26,411.23 = 10,640.93/x
  3. Step 3: Cross multiply
    19,137.93x = 26,411.23 × 10,640.93
  4. Step 4: Simplify right side
    19,137.93x = 281,039,960.28
  5. Step 5: Solve for x
    x = 281,039,960.28/19,137.93
  6. Step 6: Final answer
    x = 14,684.97

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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.