Home / 19,556.83-27,010.70-13,258.27

Finding the Fourth Proportional to 19,556.83, 27,010.70 and 13,258.27

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Solution

The fourth proportional to 19,556.83, 27,010.70 and 13,258.27 is: 18,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.83 : 27,010.70 = 13,258.27 : x
  2. Step 2: Convert to fraction form
    19,556.83/27,010.70 = 13,258.27/x
  3. Step 3: Cross multiply
    19,556.83x = 27,010.70 × 13,258.27
  4. Step 4: Simplify right side
    19,556.83x = 358,115,153.49
  5. Step 5: Solve for x
    x = 358,115,153.49/19,556.83
  6. Step 6: Final answer
    x = 18,311.51

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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.