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Finding the Fourth Proportional to 13,594.98, 18,757.86 and 7,926.32

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Solution

The fourth proportional to 13,594.98, 18,757.86 and 7,926.32 is: 10,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.98 : 18,757.86 = 7,926.32 : x
  2. Step 2: Convert to fraction form
    13,594.98/18,757.86 = 7,926.32/x
  3. Step 3: Cross multiply
    13,594.98x = 18,757.86 × 7,926.32
  4. Step 4: Simplify right side
    13,594.98x = 148,680,800.88
  5. Step 5: Solve for x
    x = 148,680,800.88/13,594.98
  6. Step 6: Final answer
    x = 10,936.45

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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.