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Finding the Fourth Proportional to 13,791, 19,025.67 and 10,794.81

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Solution

The fourth proportional to 13,791, 19,025.67 and 10,794.81 is: 14,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791 : 19,025.67 = 10,794.81 : x
  2. Step 2: Convert to fraction form
    13,791/19,025.67 = 10,794.81/x
  3. Step 3: Cross multiply
    13,791x = 19,025.67 × 10,794.81
  4. Step 4: Simplify right side
    13,791x = 205,378,492.77
  5. Step 5: Solve for x
    x = 205,378,492.77/13,791
  6. Step 6: Final answer
    x = 14,892.21

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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.