Home / 13,266.76-19,899.90-11,200.04

Finding the Fourth Proportional to 13,266.76, 19,899.90 and 11,200.04

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Solution

The fourth proportional to 13,266.76, 19,899.90 and 11,200.04 is: 16,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.76 : 19,899.90 = 11,200.04 : x
  2. Step 2: Convert to fraction form
    13,266.76/19,899.90 = 11,200.04/x
  3. Step 3: Cross multiply
    13,266.76x = 19,899.90 × 11,200.04
  4. Step 4: Simplify right side
    13,266.76x = 222,879,676.00
  5. Step 5: Solve for x
    x = 222,879,676.00/13,266.76
  6. Step 6: Final answer
    x = 16,799.86

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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.