Home / 13,650.37-18,837.29-7,682.04

Finding the Fourth Proportional to 13,650.37, 18,837.29 and 7,682.04

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Solution

The fourth proportional to 13,650.37, 18,837.29 and 7,682.04 is: 10,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.37 : 18,837.29 = 7,682.04 : x
  2. Step 2: Convert to fraction form
    13,650.37/18,837.29 = 7,682.04/x
  3. Step 3: Cross multiply
    13,650.37x = 18,837.29 × 7,682.04
  4. Step 4: Simplify right side
    13,650.37x = 144,708,721.09
  5. Step 5: Solve for x
    x = 144,708,721.09/13,650.37
  6. Step 6: Final answer
    x = 10,601.08

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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.