Home / 12,823.86-19,237.71-4,055.86

Finding the Fourth Proportional to 12,823.86, 19,237.71 and 4,055.86

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Solution

The fourth proportional to 12,823.86, 19,237.71 and 4,055.86 is: 6,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.86 : 19,237.71 = 4,055.86 : x
  2. Step 2: Convert to fraction form
    12,823.86/19,237.71 = 4,055.86/x
  3. Step 3: Cross multiply
    12,823.86x = 19,237.71 × 4,055.86
  4. Step 4: Simplify right side
    12,823.86x = 78,025,458.48
  5. Step 5: Solve for x
    x = 78,025,458.48/12,823.86
  6. Step 6: Final answer
    x = 6,084.40

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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.