Home / 25,943.69-35,804.99-15,878.84

Finding the Fourth Proportional to 25,943.69, 35,804.99 and 15,878.84

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Solution

The fourth proportional to 25,943.69, 35,804.99 and 15,878.84 is: 21,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.69 : 35,804.99 = 15,878.84 : x
  2. Step 2: Convert to fraction form
    25,943.69/35,804.99 = 15,878.84/x
  3. Step 3: Cross multiply
    25,943.69x = 35,804.99 × 15,878.84
  4. Step 4: Simplify right side
    25,943.69x = 568,541,568.08
  5. Step 5: Solve for x
    x = 568,541,568.08/25,943.69
  6. Step 6: Final answer
    x = 21,914.44

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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.