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Finding the Fourth Proportional to 13,793.84, 19,035.84 and 7,506.56

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Solution

The fourth proportional to 13,793.84, 19,035.84 and 7,506.56 is: 10,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.84 : 19,035.84 = 7,506.56 : x
  2. Step 2: Convert to fraction form
    13,793.84/19,035.84 = 7,506.56/x
  3. Step 3: Cross multiply
    13,793.84x = 19,035.84 × 7,506.56
  4. Step 4: Simplify right side
    13,793.84x = 142,893,675.11
  5. Step 5: Solve for x
    x = 142,893,675.11/13,793.84
  6. Step 6: Final answer
    x = 10,359.24

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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.