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Finding the Fourth Proportional to 13,842.73, 19,103.03 and 7,555.11

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Solution

The fourth proportional to 13,842.73, 19,103.03 and 7,555.11 is: 10,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.73 : 19,103.03 = 7,555.11 : x
  2. Step 2: Convert to fraction form
    13,842.73/19,103.03 = 7,555.11/x
  3. Step 3: Cross multiply
    13,842.73x = 19,103.03 × 7,555.11
  4. Step 4: Simplify right side
    13,842.73x = 144,325,492.98
  5. Step 5: Solve for x
    x = 144,325,492.98/13,842.73
  6. Step 6: Final answer
    x = 10,426.09

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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.