Home / 20,626.74-30,982.77-16,682.40

Finding the Fourth Proportional to 20,626.74, 30,982.77 and 16,682.40

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Solution

The fourth proportional to 20,626.74, 30,982.77 and 16,682.40 is: 25,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.74 : 30,982.77 = 16,682.40 : x
  2. Step 2: Convert to fraction form
    20,626.74/30,982.77 = 16,682.40/x
  3. Step 3: Cross multiply
    20,626.74x = 30,982.77 × 16,682.40
  4. Step 4: Simplify right side
    20,626.74x = 516,866,962.25
  5. Step 5: Solve for x
    x = 516,866,962.25/20,626.74
  6. Step 6: Final answer
    x = 25,058.10

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1.5x scale

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.