Home / 20,433.94-28,181.90-17,254.60

Finding the Fourth Proportional to 20,433.94, 28,181.90 and 17,254.60

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Solution

The fourth proportional to 20,433.94, 28,181.90 and 17,254.60 is: 23,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.94 : 28,181.90 = 17,254.60 : x
  2. Step 2: Convert to fraction form
    20,433.94/28,181.90 = 17,254.60/x
  3. Step 3: Cross multiply
    20,433.94x = 28,181.90 × 17,254.60
  4. Step 4: Simplify right side
    20,433.94x = 486,267,411.74
  5. Step 5: Solve for x
    x = 486,267,411.74/20,433.94
  6. Step 6: Final answer
    x = 23,797.05

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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.