Home / 27,305.98-37,683.46-15,370.09

Finding the Fourth Proportional to 27,305.98, 37,683.46 and 15,370.09

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Solution

The fourth proportional to 27,305.98, 37,683.46 and 15,370.09 is: 21,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.98 : 37,683.46 = 15,370.09 : x
  2. Step 2: Convert to fraction form
    27,305.98/37,683.46 = 15,370.09/x
  3. Step 3: Cross multiply
    27,305.98x = 37,683.46 × 15,370.09
  4. Step 4: Simplify right side
    27,305.98x = 579,198,096.72
  5. Step 5: Solve for x
    x = 579,198,096.72/27,305.98
  6. Step 6: Final answer
    x = 21,211.40

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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.