Home / 14,511.15-20,015.91-11,522.25

Finding the Fourth Proportional to 14,511.15, 20,015.91 and 11,522.25

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Solution

The fourth proportional to 14,511.15, 20,015.91 and 11,522.25 is: 15,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.15 : 20,015.91 = 11,522.25 : x
  2. Step 2: Convert to fraction form
    14,511.15/20,015.91 = 11,522.25/x
  3. Step 3: Cross multiply
    14,511.15x = 20,015.91 × 11,522.25
  4. Step 4: Simplify right side
    14,511.15x = 230,628,319.00
  5. Step 5: Solve for x
    x = 230,628,319.00/14,511.15
  6. Step 6: Final answer
    x = 15,893.18

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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.