Home / 17,117.20-25,673.52-5,431.60

Finding the Fourth Proportional to 17,117.20, 25,673.52 and 5,431.60

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Solution

The fourth proportional to 17,117.20, 25,673.52 and 5,431.60 is: 8,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.20 : 25,673.52 = 5,431.60 : x
  2. Step 2: Convert to fraction form
    17,117.20/25,673.52 = 5,431.60/x
  3. Step 3: Cross multiply
    17,117.20x = 25,673.52 × 5,431.60
  4. Step 4: Simplify right side
    17,117.20x = 139,448,291.23
  5. Step 5: Solve for x
    x = 139,448,291.23/17,117.20
  6. Step 6: Final answer
    x = 8,146.68

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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.