Home / 14,720.75-20,314.43-8,006.23

Finding the Fourth Proportional to 14,720.75, 20,314.43 and 8,006.23

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Solution

The fourth proportional to 14,720.75, 20,314.43 and 8,006.23 is: 11,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.75 : 20,314.43 = 8,006.23 : x
  2. Step 2: Convert to fraction form
    14,720.75/20,314.43 = 8,006.23/x
  3. Step 3: Cross multiply
    14,720.75x = 20,314.43 × 8,006.23
  4. Step 4: Simplify right side
    14,720.75x = 162,641,897.33
  5. Step 5: Solve for x
    x = 162,641,897.33/14,720.75
  6. Step 6: Final answer
    x = 11,048.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.