Home / 37,825.04-52,198.12-20,828.90

Finding the Fourth Proportional to 37,825.04, 52,198.12 and 20,828.90

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Solution

The fourth proportional to 37,825.04, 52,198.12 and 20,828.90 is: 28,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,825.04 : 52,198.12 = 20,828.90 : x
  2. Step 2: Convert to fraction form
    37,825.04/52,198.12 = 20,828.90/x
  3. Step 3: Cross multiply
    37,825.04x = 52,198.12 × 20,828.90
  4. Step 4: Simplify right side
    37,825.04x = 1,087,229,421.67
  5. Step 5: Solve for x
    x = 1,087,229,421.67/37,825.04
  6. Step 6: Final answer
    x = 28,743.64

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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.