Home / 19,806.90-29,711.43-5,015.94

Finding the Fourth Proportional to 19,806.90, 29,711.43 and 5,015.94

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Solution

The fourth proportional to 19,806.90, 29,711.43 and 5,015.94 is: 7,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.90 : 29,711.43 = 5,015.94 : x
  2. Step 2: Convert to fraction form
    19,806.90/29,711.43 = 5,015.94/x
  3. Step 3: Cross multiply
    19,806.90x = 29,711.43 × 5,015.94
  4. Step 4: Simplify right side
    19,806.90x = 149,030,842.80
  5. Step 5: Solve for x
    x = 149,030,842.80/19,806.90
  6. Step 6: Final answer
    x = 7,524.19

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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.