Home / 21,623.98-32,435.78-6,832.90

Finding the Fourth Proportional to 21,623.98, 32,435.78 and 6,832.90

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Solution

The fourth proportional to 21,623.98, 32,435.78 and 6,832.90 is: 10,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.98 : 32,435.78 = 6,832.90 : x
  2. Step 2: Convert to fraction form
    21,623.98/32,435.78 = 6,832.90/x
  3. Step 3: Cross multiply
    21,623.98x = 32,435.78 × 6,832.90
  4. Step 4: Simplify right side
    21,623.98x = 221,630,356.32
  5. Step 5: Solve for x
    x = 221,630,356.32/21,623.98
  6. Step 6: Final answer
    x = 10,249.29

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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.