Home / 20,292.66-28,012.15-17,448.61

Finding the Fourth Proportional to 20,292.66, 28,012.15 and 17,448.61

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Solution

The fourth proportional to 20,292.66, 28,012.15 and 17,448.61 is: 24,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.66 : 28,012.15 = 17,448.61 : x
  2. Step 2: Convert to fraction form
    20,292.66/28,012.15 = 17,448.61/x
  3. Step 3: Cross multiply
    20,292.66x = 28,012.15 × 17,448.61
  4. Step 4: Simplify right side
    20,292.66x = 488,772,993.37
  5. Step 5: Solve for x
    x = 488,772,993.37/20,292.66
  6. Step 6: Final answer
    x = 24,086.20

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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.