Home / 15,995.87-22,074.34-8,922.75

Finding the Fourth Proportional to 15,995.87, 22,074.34 and 8,922.75

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Solution

The fourth proportional to 15,995.87, 22,074.34 and 8,922.75 is: 12,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.87 : 22,074.34 = 8,922.75 : x
  2. Step 2: Convert to fraction form
    15,995.87/22,074.34 = 8,922.75/x
  3. Step 3: Cross multiply
    15,995.87x = 22,074.34 × 8,922.75
  4. Step 4: Simplify right side
    15,995.87x = 196,963,817.24
  5. Step 5: Solve for x
    x = 196,963,817.24/15,995.87
  6. Step 6: Final answer
    x = 12,313.42

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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.