Home / 13,576.24-18,736.36-7,607.82

Finding the Fourth Proportional to 13,576.24, 18,736.36 and 7,607.82

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Solution

The fourth proportional to 13,576.24, 18,736.36 and 7,607.82 is: 10,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.24 : 18,736.36 = 7,607.82 : x
  2. Step 2: Convert to fraction form
    13,576.24/18,736.36 = 7,607.82/x
  3. Step 3: Cross multiply
    13,576.24x = 18,736.36 × 7,607.82
  4. Step 4: Simplify right side
    13,576.24x = 142,542,854.34
  5. Step 5: Solve for x
    x = 142,542,854.34/13,576.24
  6. Step 6: Final answer
    x = 10,499.44

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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.