Home / 13,576.50-18,734.94-7,608.66

Finding the Fourth Proportional to 13,576.50, 18,734.94 and 7,608.66

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Solution

The fourth proportional to 13,576.50, 18,734.94 and 7,608.66 is: 10,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.50 : 18,734.94 = 7,608.66 : x
  2. Step 2: Convert to fraction form
    13,576.50/18,734.94 = 7,608.66/x
  3. Step 3: Cross multiply
    13,576.50x = 18,734.94 × 7,608.66
  4. Step 4: Simplify right side
    13,576.50x = 142,547,788.58
  5. Step 5: Solve for x
    x = 142,547,788.58/13,576.50
  6. Step 6: Final answer
    x = 10,499.60

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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.