Home / 19,622.45-27,080.43-11,238.95

Finding the Fourth Proportional to 19,622.45, 27,080.43 and 11,238.95

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Solution

The fourth proportional to 19,622.45, 27,080.43 and 11,238.95 is: 15,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.45 : 27,080.43 = 11,238.95 : x
  2. Step 2: Convert to fraction form
    19,622.45/27,080.43 = 11,238.95/x
  3. Step 3: Cross multiply
    19,622.45x = 27,080.43 × 11,238.95
  4. Step 4: Simplify right side
    19,622.45x = 304,355,624.30
  5. Step 5: Solve for x
    x = 304,355,624.30/19,622.45
  6. Step 6: Final answer
    x = 15,510.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.