Home / 13,257.75-19,886.67-4,023.75

Finding the Fourth Proportional to 13,257.75, 19,886.67 and 4,023.75

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Solution

The fourth proportional to 13,257.75, 19,886.67 and 4,023.75 is: 6,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.75 : 19,886.67 = 4,023.75 : x
  2. Step 2: Convert to fraction form
    13,257.75/19,886.67 = 4,023.75/x
  3. Step 3: Cross multiply
    13,257.75x = 19,886.67 × 4,023.75
  4. Step 4: Simplify right side
    13,257.75x = 80,018,988.41
  5. Step 5: Solve for x
    x = 80,018,988.41/13,257.75
  6. Step 6: Final answer
    x = 6,035.64

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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.