Home / 25,556.13-35,259.26-15,481.35

Finding the Fourth Proportional to 25,556.13, 35,259.26 and 15,481.35

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Solution

The fourth proportional to 25,556.13, 35,259.26 and 15,481.35 is: 21,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.13 : 35,259.26 = 15,481.35 : x
  2. Step 2: Convert to fraction form
    25,556.13/35,259.26 = 15,481.35/x
  3. Step 3: Cross multiply
    25,556.13x = 35,259.26 × 15,481.35
  4. Step 4: Simplify right side
    25,556.13x = 545,860,867.39
  5. Step 5: Solve for x
    x = 545,860,867.39/25,556.13
  6. Step 6: Final answer
    x = 21,359.29

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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.