Home / 11,342.70-17,014.05-11,148.30

Finding the Fourth Proportional to 11,342.70, 17,014.05 and 11,148.30

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Solution

The fourth proportional to 11,342.70, 17,014.05 and 11,148.30 is: 16,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.70 : 17,014.05 = 11,148.30 : x
  2. Step 2: Convert to fraction form
    11,342.70/17,014.05 = 11,148.30/x
  3. Step 3: Cross multiply
    11,342.70x = 17,014.05 × 11,148.30
  4. Step 4: Simplify right side
    11,342.70x = 189,677,733.62
  5. Step 5: Solve for x
    x = 189,677,733.62/11,342.70
  6. Step 6: Final answer
    x = 16,722.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.