Home / 15,922.73-21,972.84-8,849.00

Finding the Fourth Proportional to 15,922.73, 21,972.84 and 8,849.00

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Solution

The fourth proportional to 15,922.73, 21,972.84 and 8,849.00 is: 12,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.73 : 21,972.84 = 8,849.00 : x
  2. Step 2: Convert to fraction form
    15,922.73/21,972.84 = 8,849.00/x
  3. Step 3: Cross multiply
    15,922.73x = 21,972.84 × 8,849.00
  4. Step 4: Simplify right side
    15,922.73x = 194,437,682.91
  5. Step 5: Solve for x
    x = 194,437,682.91/15,922.73
  6. Step 6: Final answer
    x = 12,211.33

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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.