Home / 19,035.37-28,531.82-7,938.37

Finding the Fourth Proportional to 19,035.37, 28,531.82 and 7,938.37

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Solution

The fourth proportional to 19,035.37, 28,531.82 and 7,938.37 is: 11,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.37 : 28,531.82 = 7,938.37 : x
  2. Step 2: Convert to fraction form
    19,035.37/28,531.82 = 7,938.37/x
  3. Step 3: Cross multiply
    19,035.37x = 28,531.82 × 7,938.37
  4. Step 4: Simplify right side
    19,035.37x = 226,496,104.24
  5. Step 5: Solve for x
    x = 226,496,104.24/19,035.37
  6. Step 6: Final answer
    x = 11,898.70

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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.