Home / 19,742.03-27,243.54-10,789.59

Finding the Fourth Proportional to 19,742.03, 27,243.54 and 10,789.59

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Solution

The fourth proportional to 19,742.03, 27,243.54 and 10,789.59 is: 14,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.03 : 27,243.54 = 10,789.59 : x
  2. Step 2: Convert to fraction form
    19,742.03/27,243.54 = 10,789.59/x
  3. Step 3: Cross multiply
    19,742.03x = 27,243.54 × 10,789.59
  4. Step 4: Simplify right side
    19,742.03x = 293,946,626.75
  5. Step 5: Solve for x
    x = 293,946,626.75/19,742.03
  6. Step 6: Final answer
    x = 14,889.39

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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.