Home / 22,012.12-33,001.74-13,245.04

Finding the Fourth Proportional to 22,012.12, 33,001.74 and 13,245.04

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Solution

The fourth proportional to 22,012.12, 33,001.74 and 13,245.04 is: 19,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.12 : 33,001.74 = 13,245.04 : x
  2. Step 2: Convert to fraction form
    22,012.12/33,001.74 = 13,245.04/x
  3. Step 3: Cross multiply
    22,012.12x = 33,001.74 × 13,245.04
  4. Step 4: Simplify right side
    22,012.12x = 437,109,366.37
  5. Step 5: Solve for x
    x = 437,109,366.37/22,012.12
  6. Step 6: Final answer
    x = 19,857.67

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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.