Home / 34,661.20-47,832.64-18,745.60

Finding the Fourth Proportional to 34,661.20, 47,832.64 and 18,745.60

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Solution

The fourth proportional to 34,661.20, 47,832.64 and 18,745.60 is: 25,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.20 : 47,832.64 = 18,745.60 : x
  2. Step 2: Convert to fraction form
    34,661.20/47,832.64 = 18,745.60/x
  3. Step 3: Cross multiply
    34,661.20x = 47,832.64 × 18,745.60
  4. Step 4: Simplify right side
    34,661.20x = 896,651,536.38
  5. Step 5: Solve for x
    x = 896,651,536.38/34,661.20
  6. Step 6: Final answer
    x = 25,869.03

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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.