Home / 13,065.03-19,622.77-11,195.15

Finding the Fourth Proportional to 13,065.03, 19,622.77 and 11,195.15

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Solution

The fourth proportional to 13,065.03, 19,622.77 and 11,195.15 is: 16,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.03 : 19,622.77 = 11,195.15 : x
  2. Step 2: Convert to fraction form
    13,065.03/19,622.77 = 11,195.15/x
  3. Step 3: Cross multiply
    13,065.03x = 19,622.77 × 11,195.15
  4. Step 4: Simplify right side
    13,065.03x = 219,679,727.46
  5. Step 5: Solve for x
    x = 219,679,727.46/13,065.03
  6. Step 6: Final answer
    x = 16,814.33

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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.