Home / 13,650.37-18,837.21-7,600.57

Finding the Fourth Proportional to 13,650.37, 18,837.21 and 7,600.57

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Solution

The fourth proportional to 13,650.37, 18,837.21 and 7,600.57 is: 10,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.37 : 18,837.21 = 7,600.57 : x
  2. Step 2: Convert to fraction form
    13,650.37/18,837.21 = 7,600.57/x
  3. Step 3: Cross multiply
    13,650.37x = 18,837.21 × 7,600.57
  4. Step 4: Simplify right side
    13,650.37x = 143,173,533.21
  5. Step 5: Solve for x
    x = 143,173,533.21/13,650.37
  6. Step 6: Final answer
    x = 10,488.62

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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.