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Finding the Fourth Proportional to 13,881.62, 19,156.19 and 7,593.59

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Solution

The fourth proportional to 13,881.62, 19,156.19 and 7,593.59 is: 10,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.62 : 19,156.19 = 7,593.59 : x
  2. Step 2: Convert to fraction form
    13,881.62/19,156.19 = 7,593.59/x
  3. Step 3: Cross multiply
    13,881.62x = 19,156.19 × 7,593.59
  4. Step 4: Simplify right side
    13,881.62x = 145,464,119.07
  5. Step 5: Solve for x
    x = 145,464,119.07/13,881.62
  6. Step 6: Final answer
    x = 10,478.90

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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.