Home / 15,995.58-22,074.37-8,921.85

Finding the Fourth Proportional to 15,995.58, 22,074.37 and 8,921.85

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Solution

The fourth proportional to 15,995.58, 22,074.37 and 8,921.85 is: 12,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.58 : 22,074.37 = 8,921.85 : x
  2. Step 2: Convert to fraction form
    15,995.58/22,074.37 = 8,921.85/x
  3. Step 3: Cross multiply
    15,995.58x = 22,074.37 × 8,921.85
  4. Step 4: Simplify right side
    15,995.58x = 196,944,107.61
  5. Step 5: Solve for x
    x = 196,944,107.61/15,995.58
  6. Step 6: Final answer
    x = 12,312.41

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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.