Home / 19,431.89-29,163.54-10,074.58

Finding the Fourth Proportional to 19,431.89, 29,163.54 and 10,074.58

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Solution

The fourth proportional to 19,431.89, 29,163.54 and 10,074.58 is: 15,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.89 : 29,163.54 = 10,074.58 : x
  2. Step 2: Convert to fraction form
    19,431.89/29,163.54 = 10,074.58/x
  3. Step 3: Cross multiply
    19,431.89x = 29,163.54 × 10,074.58
  4. Step 4: Simplify right side
    19,431.89x = 293,810,462.22
  5. Step 5: Solve for x
    x = 293,810,462.22/19,431.89
  6. Step 6: Final answer
    x = 15,120.02

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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.