Home / 21,792.90-32,684.48-10,104.60

Finding the Fourth Proportional to 21,792.90, 32,684.48 and 10,104.60

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Solution

The fourth proportional to 21,792.90, 32,684.48 and 10,104.60 is: 15,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.90 : 32,684.48 = 10,104.60 : x
  2. Step 2: Convert to fraction form
    21,792.90/32,684.48 = 10,104.60/x
  3. Step 3: Cross multiply
    21,792.90x = 32,684.48 × 10,104.60
  4. Step 4: Simplify right side
    21,792.90x = 330,263,596.61
  5. Step 5: Solve for x
    x = 330,263,596.61/21,792.90
  6. Step 6: Final answer
    x = 15,154.64

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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.