Home / 21,589.07-29,792.77-12,028.48

Finding the Fourth Proportional to 21,589.07, 29,792.77 and 12,028.48

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Solution

The fourth proportional to 21,589.07, 29,792.77 and 12,028.48 is: 16,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.07 : 29,792.77 = 12,028.48 : x
  2. Step 2: Convert to fraction form
    21,589.07/29,792.77 = 12,028.48/x
  3. Step 3: Cross multiply
    21,589.07x = 29,792.77 × 12,028.48
  4. Step 4: Simplify right side
    21,589.07x = 358,361,633.54
  5. Step 5: Solve for x
    x = 358,361,633.54/21,589.07
  6. Step 6: Final answer
    x = 16,599.21

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1.5x scale

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.