Home / 17,455.86-25,986.39-17,352.09

Finding the Fourth Proportional to 17,455.86, 25,986.39 and 17,352.09

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Solution

The fourth proportional to 17,455.86, 25,986.39 and 17,352.09 is: 25,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.86 : 25,986.39 = 17,352.09 : x
  2. Step 2: Convert to fraction form
    17,455.86/25,986.39 = 17,352.09/x
  3. Step 3: Cross multiply
    17,455.86x = 25,986.39 × 17,352.09
  4. Step 4: Simplify right side
    17,455.86x = 450,918,178.06
  5. Step 5: Solve for x
    x = 450,918,178.06/17,455.86
  6. Step 6: Final answer
    x = 25,831.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.