Home / 14,558.40-21,837.60-4,028.40

Finding the Fourth Proportional to 14,558.40, 21,837.60 and 4,028.40

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Solution

The fourth proportional to 14,558.40, 21,837.60 and 4,028.40 is: 6,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.40 : 21,837.60 = 4,028.40 : x
  2. Step 2: Convert to fraction form
    14,558.40/21,837.60 = 4,028.40/x
  3. Step 3: Cross multiply
    14,558.40x = 21,837.60 × 4,028.40
  4. Step 4: Simplify right side
    14,558.40x = 87,970,587.84
  5. Step 5: Solve for x
    x = 87,970,587.84/14,558.40
  6. Step 6: Final answer
    x = 6,042.60

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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.