Home / 19,699.07-29,559.84-7,217.44

Finding the Fourth Proportional to 19,699.07, 29,559.84 and 7,217.44

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Solution

The fourth proportional to 19,699.07, 29,559.84 and 7,217.44 is: 10,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.07 : 29,559.84 = 7,217.44 : x
  2. Step 2: Convert to fraction form
    19,699.07/29,559.84 = 7,217.44/x
  3. Step 3: Cross multiply
    19,699.07x = 29,559.84 × 7,217.44
  4. Step 4: Simplify right side
    19,699.07x = 213,346,270.64
  5. Step 5: Solve for x
    x = 213,346,270.64/19,699.07
  6. Step 6: Final answer
    x = 10,830.27

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1.5x scale

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.