Home / 17,301.75-25,857.82-12,631.60

Finding the Fourth Proportional to 17,301.75, 25,857.82 and 12,631.60

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Solution

The fourth proportional to 17,301.75, 25,857.82 and 12,631.60 is: 18,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,301.75 : 25,857.82 = 12,631.60 : x
  2. Step 2: Convert to fraction form
    17,301.75/25,857.82 = 12,631.60/x
  3. Step 3: Cross multiply
    17,301.75x = 25,857.82 × 12,631.60
  4. Step 4: Simplify right side
    17,301.75x = 326,625,639.11
  5. Step 5: Solve for x
    x = 326,625,639.11/17,301.75
  6. Step 6: Final answer
    x = 18,878.19

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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.