Home / 19,836.75-29,753.90-8,149.67

Finding the Fourth Proportional to 19,836.75, 29,753.90 and 8,149.67

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Solution

The fourth proportional to 19,836.75, 29,753.90 and 8,149.67 is: 12,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.75 : 29,753.90 = 8,149.67 : x
  2. Step 2: Convert to fraction form
    19,836.75/29,753.90 = 8,149.67/x
  3. Step 3: Cross multiply
    19,836.75x = 29,753.90 × 8,149.67
  4. Step 4: Simplify right side
    19,836.75x = 242,484,466.21
  5. Step 5: Solve for x
    x = 242,484,466.21/19,836.75
  6. Step 6: Final answer
    x = 12,224.00

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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.