Home / 22,122.90-33,104.48-19,040.09

Finding the Fourth Proportional to 22,122.90, 33,104.48 and 19,040.09

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Solution

The fourth proportional to 22,122.90, 33,104.48 and 19,040.09 is: 28,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.90 : 33,104.48 = 19,040.09 : x
  2. Step 2: Convert to fraction form
    22,122.90/33,104.48 = 19,040.09/x
  3. Step 3: Cross multiply
    22,122.90x = 33,104.48 × 19,040.09
  4. Step 4: Simplify right side
    22,122.90x = 630,312,017.88
  5. Step 5: Solve for x
    x = 630,312,017.88/22,122.90
  6. Step 6: Final answer
    x = 28,491.38

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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.