Home / 13,207.48-19,811.53-4,442.39

Finding the Fourth Proportional to 13,207.48, 19,811.53 and 4,442.39

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Solution

The fourth proportional to 13,207.48, 19,811.53 and 4,442.39 is: 6,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.48 : 19,811.53 = 4,442.39 : x
  2. Step 2: Convert to fraction form
    13,207.48/19,811.53 = 4,442.39/x
  3. Step 3: Cross multiply
    13,207.48x = 19,811.53 × 4,442.39
  4. Step 4: Simplify right side
    13,207.48x = 88,010,542.76
  5. Step 5: Solve for x
    x = 88,010,542.76/13,207.48
  6. Step 6: Final answer
    x = 6,663.69

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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.