Home / 13,576.50-18,734.30-7,606.90

Finding the Fourth Proportional to 13,576.50, 18,734.30 and 7,606.90

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Solution

The fourth proportional to 13,576.50, 18,734.30 and 7,606.90 is: 10,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.50 : 18,734.30 = 7,606.90 : x
  2. Step 2: Convert to fraction form
    13,576.50/18,734.30 = 7,606.90/x
  3. Step 3: Cross multiply
    13,576.50x = 18,734.30 × 7,606.90
  4. Step 4: Simplify right side
    13,576.50x = 142,509,946.67
  5. Step 5: Solve for x
    x = 142,509,946.67/13,576.50
  6. Step 6: Final answer
    x = 10,496.81

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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.