Home / 19,738.03-27,238.80-11,784.91

Finding the Fourth Proportional to 19,738.03, 27,238.80 and 11,784.91

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Solution

The fourth proportional to 19,738.03, 27,238.80 and 11,784.91 is: 16,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.03 : 27,238.80 = 11,784.91 : x
  2. Step 2: Convert to fraction form
    19,738.03/27,238.80 = 11,784.91/x
  3. Step 3: Cross multiply
    19,738.03x = 27,238.80 × 11,784.91
  4. Step 4: Simplify right side
    19,738.03x = 321,006,806.51
  5. Step 5: Solve for x
    x = 321,006,806.51/19,738.03
  6. Step 6: Final answer
    x = 16,263.37

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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.