Home / 12,558.36-18,837.06-4,009.32

Finding the Fourth Proportional to 12,558.36, 18,837.06 and 4,009.32

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Solution

The fourth proportional to 12,558.36, 18,837.06 and 4,009.32 is: 6,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.36 : 18,837.06 = 4,009.32 : x
  2. Step 2: Convert to fraction form
    12,558.36/18,837.06 = 4,009.32/x
  3. Step 3: Cross multiply
    12,558.36x = 18,837.06 × 4,009.32
  4. Step 4: Simplify right side
    12,558.36x = 75,523,801.40
  5. Step 5: Solve for x
    x = 75,523,801.40/12,558.36
  6. Step 6: Final answer
    x = 6,013.83

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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.