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Finding the Fourth Proportional to 13,881.56, 19,156.56 and 7,593.92

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Solution

The fourth proportional to 13,881.56, 19,156.56 and 7,593.92 is: 10,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.56 : 19,156.56 = 7,593.92 : x
  2. Step 2: Convert to fraction form
    13,881.56/19,156.56 = 7,593.92/x
  3. Step 3: Cross multiply
    13,881.56x = 19,156.56 × 7,593.92
  4. Step 4: Simplify right side
    13,881.56x = 145,473,384.12
  5. Step 5: Solve for x
    x = 145,473,384.12/13,881.56
  6. Step 6: Final answer
    x = 10,479.61

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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.