Home / 19,846.80-29,775.16-7,370.37

Finding the Fourth Proportional to 19,846.80, 29,775.16 and 7,370.37

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Solution

The fourth proportional to 19,846.80, 29,775.16 and 7,370.37 is: 11,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.80 : 29,775.16 = 7,370.37 : x
  2. Step 2: Convert to fraction form
    19,846.80/29,775.16 = 7,370.37/x
  3. Step 3: Cross multiply
    19,846.80x = 29,775.16 × 7,370.37
  4. Step 4: Simplify right side
    19,846.80x = 219,453,946.01
  5. Step 5: Solve for x
    x = 219,453,946.01/19,846.80
  6. Step 6: Final answer
    x = 11,057.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.