Home / 19,576.89-29,370.20-7,898.31

Finding the Fourth Proportional to 19,576.89, 29,370.20 and 7,898.31

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Solution

The fourth proportional to 19,576.89, 29,370.20 and 7,898.31 is: 11,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.89 : 29,370.20 = 7,898.31 : x
  2. Step 2: Convert to fraction form
    19,576.89/29,370.20 = 7,898.31/x
  3. Step 3: Cross multiply
    19,576.89x = 29,370.20 × 7,898.31
  4. Step 4: Simplify right side
    19,576.89x = 231,974,904.87
  5. Step 5: Solve for x
    x = 231,974,904.87/19,576.89
  6. Step 6: Final answer
    x = 11,849.43

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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.