Home / 20,564.73-30,833.33-7,415.33

Finding the Fourth Proportional to 20,564.73, 30,833.33 and 7,415.33

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Solution

The fourth proportional to 20,564.73, 30,833.33 and 7,415.33 is: 11,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.73 : 30,833.33 = 7,415.33 : x
  2. Step 2: Convert to fraction form
    20,564.73/30,833.33 = 7,415.33/x
  3. Step 3: Cross multiply
    20,564.73x = 30,833.33 × 7,415.33
  4. Step 4: Simplify right side
    20,564.73x = 228,639,125.71
  5. Step 5: Solve for x
    x = 228,639,125.71/20,564.73
  6. Step 6: Final answer
    x = 11,118.02

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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.