Home / 19,222.22-28,833.53-6,742.55

Finding the Fourth Proportional to 19,222.22, 28,833.53 and 6,742.55

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Solution

The fourth proportional to 19,222.22, 28,833.53 and 6,742.55 is: 10,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.22 : 28,833.53 = 6,742.55 : x
  2. Step 2: Convert to fraction form
    19,222.22/28,833.53 = 6,742.55/x
  3. Step 3: Cross multiply
    19,222.22x = 28,833.53 × 6,742.55
  4. Step 4: Simplify right side
    19,222.22x = 194,411,556.07
  5. Step 5: Solve for x
    x = 194,411,556.07/19,222.22
  6. Step 6: Final answer
    x = 10,113.90

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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.