Home / 25,958.48-35,820.24-15,201.68

Finding the Fourth Proportional to 25,958.48, 35,820.24 and 15,201.68

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Solution

The fourth proportional to 25,958.48, 35,820.24 and 15,201.68 is: 20,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.48 : 35,820.24 = 15,201.68 : x
  2. Step 2: Convert to fraction form
    25,958.48/35,820.24 = 15,201.68/x
  3. Step 3: Cross multiply
    25,958.48x = 35,820.24 × 15,201.68
  4. Step 4: Simplify right side
    25,958.48x = 544,527,826.00
  5. Step 5: Solve for x
    x = 544,527,826.00/25,958.48
  6. Step 6: Final answer
    x = 20,976.88

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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.