Home / 14,112.96-21,155.04-8,922.24

Finding the Fourth Proportional to 14,112.96, 21,155.04 and 8,922.24

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Solution

The fourth proportional to 14,112.96, 21,155.04 and 8,922.24 is: 13,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.96 : 21,155.04 = 8,922.24 : x
  2. Step 2: Convert to fraction form
    14,112.96/21,155.04 = 8,922.24/x
  3. Step 3: Cross multiply
    14,112.96x = 21,155.04 × 8,922.24
  4. Step 4: Simplify right side
    14,112.96x = 188,750,344.09
  5. Step 5: Solve for x
    x = 188,750,344.09/14,112.96
  6. Step 6: Final answer
    x = 13,374.26

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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.