Home / 12,824.42-19,235.04-3,465.20

Finding the Fourth Proportional to 12,824.42, 19,235.04 and 3,465.20

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Solution

The fourth proportional to 12,824.42, 19,235.04 and 3,465.20 is: 5,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.42 : 19,235.04 = 3,465.20 : x
  2. Step 2: Convert to fraction form
    12,824.42/19,235.04 = 3,465.20/x
  3. Step 3: Cross multiply
    12,824.42x = 19,235.04 × 3,465.20
  4. Step 4: Simplify right side
    12,824.42x = 66,653,260.61
  5. Step 5: Solve for x
    x = 66,653,260.61/12,824.42
  6. Step 6: Final answer
    x = 5,197.37

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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.