Home / 47,883.42-71,825.09-12,822.12

Finding the Fourth Proportional to 47,883.42, 71,825.09 and 12,822.12

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Solution

The fourth proportional to 47,883.42, 71,825.09 and 12,822.12 is: 19,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,883.42 : 71,825.09 = 12,822.12 : x
  2. Step 2: Convert to fraction form
    47,883.42/71,825.09 = 12,822.12/x
  3. Step 3: Cross multiply
    47,883.42x = 71,825.09 × 12,822.12
  4. Step 4: Simplify right side
    47,883.42x = 920,949,858.88
  5. Step 5: Solve for x
    x = 920,949,858.88/47,883.42
  6. Step 6: Final answer
    x = 19,233.17

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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.