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Finding the Fourth Proportional to 18,594.70, 25,656.80 and 11,039.96

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Solution

The fourth proportional to 18,594.70, 25,656.80 and 11,039.96 is: 15,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.70 : 25,656.80 = 11,039.96 : x
  2. Step 2: Convert to fraction form
    18,594.70/25,656.80 = 11,039.96/x
  3. Step 3: Cross multiply
    18,594.70x = 25,656.80 × 11,039.96
  4. Step 4: Simplify right side
    18,594.70x = 283,250,045.73
  5. Step 5: Solve for x
    x = 283,250,045.73/18,594.70
  6. Step 6: Final answer
    x = 15,232.84

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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.