Home / 17,853.51-26,845.88-17,131.80

Finding the Fourth Proportional to 17,853.51, 26,845.88 and 17,131.80

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Solution

The fourth proportional to 17,853.51, 26,845.88 and 17,131.80 is: 25,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.51 : 26,845.88 = 17,131.80 : x
  2. Step 2: Convert to fraction form
    17,853.51/26,845.88 = 17,131.80/x
  3. Step 3: Cross multiply
    17,853.51x = 26,845.88 × 17,131.80
  4. Step 4: Simplify right side
    17,853.51x = 459,918,358.36
  5. Step 5: Solve for x
    x = 459,918,358.36/17,853.51
  6. Step 6: Final answer
    x = 25,760.66

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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.