Home / 25,450.88-35,120.63-15,373.37

Finding the Fourth Proportional to 25,450.88, 35,120.63 and 15,373.37

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Solution

The fourth proportional to 25,450.88, 35,120.63 and 15,373.37 is: 21,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.88 : 35,120.63 = 15,373.37 : x
  2. Step 2: Convert to fraction form
    25,450.88/35,120.63 = 15,373.37/x
  3. Step 3: Cross multiply
    25,450.88x = 35,120.63 × 15,373.37
  4. Step 4: Simplify right side
    25,450.88x = 539,922,325.07
  5. Step 5: Solve for x
    x = 539,922,325.07/25,450.88
  6. Step 6: Final answer
    x = 21,214.29

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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.