Home / 14,920.44-22,379.40-7,021.12

Finding the Fourth Proportional to 14,920.44, 22,379.40 and 7,021.12

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Solution

The fourth proportional to 14,920.44, 22,379.40 and 7,021.12 is: 10,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.44 : 22,379.40 = 7,021.12 : x
  2. Step 2: Convert to fraction form
    14,920.44/22,379.40 = 7,021.12/x
  3. Step 3: Cross multiply
    14,920.44x = 22,379.40 × 7,021.12
  4. Step 4: Simplify right side
    14,920.44x = 157,128,452.93
  5. Step 5: Solve for x
    x = 157,128,452.93/14,920.44
  6. Step 6: Final answer
    x = 10,531.09

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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.