Home / 22,694.75-31,316.35-12,621.56

Finding the Fourth Proportional to 22,694.75, 31,316.35 and 12,621.56

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Solution

The fourth proportional to 22,694.75, 31,316.35 and 12,621.56 is: 17,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.75 : 31,316.35 = 12,621.56 : x
  2. Step 2: Convert to fraction form
    22,694.75/31,316.35 = 12,621.56/x
  3. Step 3: Cross multiply
    22,694.75x = 31,316.35 × 12,621.56
  4. Step 4: Simplify right side
    22,694.75x = 395,261,190.51
  5. Step 5: Solve for x
    x = 395,261,190.51/22,694.75
  6. Step 6: Final answer
    x = 17,416.42

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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.