Home / 25,694.51-35,464.14-15,620.82

Finding the Fourth Proportional to 25,694.51, 35,464.14 and 15,620.82

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Solution

The fourth proportional to 25,694.51, 35,464.14 and 15,620.82 is: 21,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.51 : 35,464.14 = 15,620.82 : x
  2. Step 2: Convert to fraction form
    25,694.51/35,464.14 = 15,620.82/x
  3. Step 3: Cross multiply
    25,694.51x = 35,464.14 × 15,620.82
  4. Step 4: Simplify right side
    25,694.51x = 553,978,770.07
  5. Step 5: Solve for x
    x = 553,978,770.07/25,694.51
  6. Step 6: Final answer
    x = 21,560.20

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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.