Home / 13,207.86-19,811.75-4,448.92

Finding the Fourth Proportional to 13,207.86, 19,811.75 and 4,448.92

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Solution

The fourth proportional to 13,207.86, 19,811.75 and 4,448.92 is: 6,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.86 : 19,811.75 = 4,448.92 : x
  2. Step 2: Convert to fraction form
    13,207.86/19,811.75 = 4,448.92/x
  3. Step 3: Cross multiply
    13,207.86x = 19,811.75 × 4,448.92
  4. Step 4: Simplify right side
    13,207.86x = 88,140,890.81
  5. Step 5: Solve for x
    x = 88,140,890.81/13,207.86
  6. Step 6: Final answer
    x = 6,673.37

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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.