Home / 13,798.24-20,700.60-3,937.66

Finding the Fourth Proportional to 13,798.24, 20,700.60 and 3,937.66

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Solution

The fourth proportional to 13,798.24, 20,700.60 and 3,937.66 is: 5,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.24 : 20,700.60 = 3,937.66 : x
  2. Step 2: Convert to fraction form
    13,798.24/20,700.60 = 3,937.66/x
  3. Step 3: Cross multiply
    13,798.24x = 20,700.60 × 3,937.66
  4. Step 4: Simplify right side
    13,798.24x = 81,511,924.60
  5. Step 5: Solve for x
    x = 81,511,924.60/13,798.24
  6. Step 6: Final answer
    x = 5,907.41

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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.