Home / 13,576.21-18,730.35-10,744.05

Finding the Fourth Proportional to 13,576.21, 18,730.35 and 10,744.05

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Solution

The fourth proportional to 13,576.21, 18,730.35 and 10,744.05 is: 14,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.21 : 18,730.35 = 10,744.05 : x
  2. Step 2: Convert to fraction form
    13,576.21/18,730.35 = 10,744.05/x
  3. Step 3: Cross multiply
    13,576.21x = 18,730.35 × 10,744.05
  4. Step 4: Simplify right side
    13,576.21x = 201,239,816.92
  5. Step 5: Solve for x
    x = 201,239,816.92/13,576.21
  6. Step 6: Final answer
    x = 14,822.97

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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.