Home / 17,172.12-25,743.54-16,676.40

Finding the Fourth Proportional to 17,172.12, 25,743.54 and 16,676.40

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Solution

The fourth proportional to 17,172.12, 25,743.54 and 16,676.40 is: 25,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.12 : 25,743.54 = 16,676.40 : x
  2. Step 2: Convert to fraction form
    17,172.12/25,743.54 = 16,676.40/x
  3. Step 3: Cross multiply
    17,172.12x = 25,743.54 × 16,676.40
  4. Step 4: Simplify right side
    17,172.12x = 429,309,570.46
  5. Step 5: Solve for x
    x = 429,309,570.46/17,172.12
  6. Step 6: Final answer
    x = 25,000.38

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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.