Home / 25,150.48-34,708.32-15,080.56

Finding the Fourth Proportional to 25,150.48, 34,708.32 and 15,080.56

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Solution

The fourth proportional to 25,150.48, 34,708.32 and 15,080.56 is: 20,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.48 : 34,708.32 = 15,080.56 : x
  2. Step 2: Convert to fraction form
    25,150.48/34,708.32 = 15,080.56/x
  3. Step 3: Cross multiply
    25,150.48x = 34,708.32 × 15,080.56
  4. Step 4: Simplify right side
    25,150.48x = 523,420,902.26
  5. Step 5: Solve for x
    x = 523,420,902.26/25,150.48
  6. Step 6: Final answer
    x = 20,811.57

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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.