Home / 20,782.67-28,629.97-16,532.46

Finding the Fourth Proportional to 20,782.67, 28,629.97 and 16,532.46

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Solution

The fourth proportional to 20,782.67, 28,629.97 and 16,532.46 is: 22,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,782.67 : 28,629.97 = 16,532.46 : x
  2. Step 2: Convert to fraction form
    20,782.67/28,629.97 = 16,532.46/x
  3. Step 3: Cross multiply
    20,782.67x = 28,629.97 × 16,532.46
  4. Step 4: Simplify right side
    20,782.67x = 473,323,792.50
  5. Step 5: Solve for x
    x = 473,323,792.50/20,782.67
  6. Step 6: Final answer
    x = 22,774.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.