Home / 15,974.42-22,045.37-8,900.82

Finding the Fourth Proportional to 15,974.42, 22,045.37 and 8,900.82

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Solution

The fourth proportional to 15,974.42, 22,045.37 and 8,900.82 is: 12,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.42 : 22,045.37 = 8,900.82 : x
  2. Step 2: Convert to fraction form
    15,974.42/22,045.37 = 8,900.82/x
  3. Step 3: Cross multiply
    15,974.42x = 22,045.37 × 8,900.82
  4. Step 4: Simplify right side
    15,974.42x = 196,221,825.70
  5. Step 5: Solve for x
    x = 196,221,825.70/15,974.42
  6. Step 6: Final answer
    x = 12,283.51

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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.