Home / 13,915.73-20,876.67-4,055.77

Finding the Fourth Proportional to 13,915.73, 20,876.67 and 4,055.77

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Solution

The fourth proportional to 13,915.73, 20,876.67 and 4,055.77 is: 6,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.73 : 20,876.67 = 4,055.77 : x
  2. Step 2: Convert to fraction form
    13,915.73/20,876.67 = 4,055.77/x
  3. Step 3: Cross multiply
    13,915.73x = 20,876.67 × 4,055.77
  4. Step 4: Simplify right side
    13,915.73x = 84,671,049.07
  5. Step 5: Solve for x
    x = 84,671,049.07/13,915.73
  6. Step 6: Final answer
    x = 6,084.56

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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.