Home / 25,115.84-37,684.56-11,968.32

Finding the Fourth Proportional to 25,115.84, 37,684.56 and 11,968.32

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Solution

The fourth proportional to 25,115.84, 37,684.56 and 11,968.32 is: 17,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.84 : 37,684.56 = 11,968.32 : x
  2. Step 2: Convert to fraction form
    25,115.84/37,684.56 = 11,968.32/x
  3. Step 3: Cross multiply
    25,115.84x = 37,684.56 × 11,968.32
  4. Step 4: Simplify right side
    25,115.84x = 451,020,873.14
  5. Step 5: Solve for x
    x = 451,020,873.14/25,115.84
  6. Step 6: Final answer
    x = 17,957.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.