Home / 15,576.30-21,495.78-9,608.22

Finding the Fourth Proportional to 15,576.30, 21,495.78 and 9,608.22

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Solution

The fourth proportional to 15,576.30, 21,495.78 and 9,608.22 is: 13,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.30 : 21,495.78 = 9,608.22 : x
  2. Step 2: Convert to fraction form
    15,576.30/21,495.78 = 9,608.22/x
  3. Step 3: Cross multiply
    15,576.30x = 21,495.78 × 9,608.22
  4. Step 4: Simplify right side
    15,576.30x = 206,536,183.31
  5. Step 5: Solve for x
    x = 206,536,183.31/15,576.30
  6. Step 6: Final answer
    x = 13,259.64

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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.