Home / 17,878.26-24,661.74-11,152.20

Finding the Fourth Proportional to 17,878.26, 24,661.74 and 11,152.20

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Solution

The fourth proportional to 17,878.26, 24,661.74 and 11,152.20 is: 15,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.26 : 24,661.74 = 11,152.20 : x
  2. Step 2: Convert to fraction form
    17,878.26/24,661.74 = 11,152.20/x
  3. Step 3: Cross multiply
    17,878.26x = 24,661.74 × 11,152.20
  4. Step 4: Simplify right side
    17,878.26x = 275,032,656.83
  5. Step 5: Solve for x
    x = 275,032,656.83/17,878.26
  6. Step 6: Final answer
    x = 15,383.64

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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.