Home / 13,461.12-18,576.36-7,573.12

Finding the Fourth Proportional to 13,461.12, 18,576.36 and 7,573.12

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Solution

The fourth proportional to 13,461.12, 18,576.36 and 7,573.12 is: 10,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.12 : 18,576.36 = 7,573.12 : x
  2. Step 2: Convert to fraction form
    13,461.12/18,576.36 = 7,573.12/x
  3. Step 3: Cross multiply
    13,461.12x = 18,576.36 × 7,573.12
  4. Step 4: Simplify right side
    13,461.12x = 140,681,003.44
  5. Step 5: Solve for x
    x = 140,681,003.44/13,461.12
  6. Step 6: Final answer
    x = 10,450.91

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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.