Home / 24,403.98-33,652.35-20,878.86

Finding the Fourth Proportional to 24,403.98, 33,652.35 and 20,878.86

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Solution

The fourth proportional to 24,403.98, 33,652.35 and 20,878.86 is: 28,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,403.98 : 33,652.35 = 20,878.86 : x
  2. Step 2: Convert to fraction form
    24,403.98/33,652.35 = 20,878.86/x
  3. Step 3: Cross multiply
    24,403.98x = 33,652.35 × 20,878.86
  4. Step 4: Simplify right side
    24,403.98x = 702,622,704.32
  5. Step 5: Solve for x
    x = 702,622,704.32/24,403.98
  6. Step 6: Final answer
    x = 28,791.32

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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.