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Finding the Fourth Proportional to 19,346.94, 26,699.08 and 10,850.95

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Solution

The fourth proportional to 19,346.94, 26,699.08 and 10,850.95 is: 14,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.94 : 26,699.08 = 10,850.95 : x
  2. Step 2: Convert to fraction form
    19,346.94/26,699.08 = 10,850.95/x
  3. Step 3: Cross multiply
    19,346.94x = 26,699.08 × 10,850.95
  4. Step 4: Simplify right side
    19,346.94x = 289,710,382.13
  5. Step 5: Solve for x
    x = 289,710,382.13/19,346.94
  6. Step 6: Final answer
    x = 14,974.48

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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.