Home / 15,729.63-23,589.44-5,197.68

Finding the Fourth Proportional to 15,729.63, 23,589.44 and 5,197.68

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Solution

The fourth proportional to 15,729.63, 23,589.44 and 5,197.68 is: 7,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.63 : 23,589.44 = 5,197.68 : x
  2. Step 2: Convert to fraction form
    15,729.63/23,589.44 = 5,197.68/x
  3. Step 3: Cross multiply
    15,729.63x = 23,589.44 × 5,197.68
  4. Step 4: Simplify right side
    15,729.63x = 122,610,334.51
  5. Step 5: Solve for x
    x = 122,610,334.51/15,729.63
  6. Step 6: Final answer
    x = 7,794.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.