Home / 17,002.10-25,503.60-5,315.60

Finding the Fourth Proportional to 17,002.10, 25,503.60 and 5,315.60

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Solution

The fourth proportional to 17,002.10, 25,503.60 and 5,315.60 is: 7,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.10 : 25,503.60 = 5,315.60 : x
  2. Step 2: Convert to fraction form
    17,002.10/25,503.60 = 5,315.60/x
  3. Step 3: Cross multiply
    17,002.10x = 25,503.60 × 5,315.60
  4. Step 4: Simplify right side
    17,002.10x = 135,566,936.16
  5. Step 5: Solve for x
    x = 135,566,936.16/17,002.10
  6. Step 6: Final answer
    x = 7,973.54

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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.