Home / 19,628.91-27,091.76-11,250.99

Finding the Fourth Proportional to 19,628.91, 27,091.76 and 11,250.99

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Solution

The fourth proportional to 19,628.91, 27,091.76 and 11,250.99 is: 15,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.91 : 27,091.76 = 11,250.99 : x
  2. Step 2: Convert to fraction form
    19,628.91/27,091.76 = 11,250.99/x
  3. Step 3: Cross multiply
    19,628.91x = 27,091.76 × 11,250.99
  4. Step 4: Simplify right side
    19,628.91x = 304,809,064.59
  5. Step 5: Solve for x
    x = 304,809,064.59/19,628.91
  6. Step 6: Final answer
    x = 15,528.58

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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.