Home / 16,820.84-25,249.08-9,431.48

Finding the Fourth Proportional to 16,820.84, 25,249.08 and 9,431.48

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Solution

The fourth proportional to 16,820.84, 25,249.08 and 9,431.48 is: 14,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.84 : 25,249.08 = 9,431.48 : x
  2. Step 2: Convert to fraction form
    16,820.84/25,249.08 = 9,431.48/x
  3. Step 3: Cross multiply
    16,820.84x = 25,249.08 × 9,431.48
  4. Step 4: Simplify right side
    16,820.84x = 238,136,193.04
  5. Step 5: Solve for x
    x = 238,136,193.04/16,820.84
  6. Step 6: Final answer
    x = 14,157.21

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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.