Home / 16,428.12-24,638.58-4,738.80

Finding the Fourth Proportional to 16,428.12, 24,638.58 and 4,738.80

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Solution

The fourth proportional to 16,428.12, 24,638.58 and 4,738.80 is: 7,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.12 : 24,638.58 = 4,738.80 : x
  2. Step 2: Convert to fraction form
    16,428.12/24,638.58 = 4,738.80/x
  3. Step 3: Cross multiply
    16,428.12x = 24,638.58 × 4,738.80
  4. Step 4: Simplify right side
    16,428.12x = 116,757,302.90
  5. Step 5: Solve for x
    x = 116,757,302.90/16,428.12
  6. Step 6: Final answer
    x = 7,107.16

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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.