Home / 22,805.82-34,043.67-19,705.74

Finding the Fourth Proportional to 22,805.82, 34,043.67 and 19,705.74

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Solution

The fourth proportional to 22,805.82, 34,043.67 and 19,705.74 is: 29,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.82 : 34,043.67 = 19,705.74 : x
  2. Step 2: Convert to fraction form
    22,805.82/34,043.67 = 19,705.74/x
  3. Step 3: Cross multiply
    22,805.82x = 34,043.67 × 19,705.74
  4. Step 4: Simplify right side
    22,805.82x = 670,855,709.67
  5. Step 5: Solve for x
    x = 670,855,709.67/22,805.82
  6. Step 6: Final answer
    x = 29,415.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.