Home / 15,995.69-22,074.07-8,922.56

Finding the Fourth Proportional to 15,995.69, 22,074.07 and 8,922.56

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Solution

The fourth proportional to 15,995.69, 22,074.07 and 8,922.56 is: 12,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.69 : 22,074.07 = 8,922.56 : x
  2. Step 2: Convert to fraction form
    15,995.69/22,074.07 = 8,922.56/x
  3. Step 3: Cross multiply
    15,995.69x = 22,074.07 × 8,922.56
  4. Step 4: Simplify right side
    15,995.69x = 196,957,214.02
  5. Step 5: Solve for x
    x = 196,957,214.02/15,995.69
  6. Step 6: Final answer
    x = 12,313.15

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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.