Home / 17,431.54-26,147.07-4,283.80

Finding the Fourth Proportional to 17,431.54, 26,147.07 and 4,283.80

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Solution

The fourth proportional to 17,431.54, 26,147.07 and 4,283.80 is: 6,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.54 : 26,147.07 = 4,283.80 : x
  2. Step 2: Convert to fraction form
    17,431.54/26,147.07 = 4,283.80/x
  3. Step 3: Cross multiply
    17,431.54x = 26,147.07 × 4,283.80
  4. Step 4: Simplify right side
    17,431.54x = 112,008,753.10
  5. Step 5: Solve for x
    x = 112,008,753.10/17,431.54
  6. Step 6: Final answer
    x = 6,425.64

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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.