Home / 25,629.51-35,372.63-15,556.01

Finding the Fourth Proportional to 25,629.51, 35,372.63 and 15,556.01

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Solution

The fourth proportional to 25,629.51, 35,372.63 and 15,556.01 is: 21,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.51 : 35,372.63 = 15,556.01 : x
  2. Step 2: Convert to fraction form
    25,629.51/35,372.63 = 15,556.01/x
  3. Step 3: Cross multiply
    25,629.51x = 35,372.63 × 15,556.01
  4. Step 4: Simplify right side
    25,629.51x = 550,256,731.36
  5. Step 5: Solve for x
    x = 550,256,731.36/25,629.51
  6. Step 6: Final answer
    x = 21,469.65

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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.