Home / 17,140.24-25,708.73-5,451.40

Finding the Fourth Proportional to 17,140.24, 25,708.73 and 5,451.40

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Solution

The fourth proportional to 17,140.24, 25,708.73 and 5,451.40 is: 8,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.24 : 25,708.73 = 5,451.40 : x
  2. Step 2: Convert to fraction form
    17,140.24/25,708.73 = 5,451.40/x
  3. Step 3: Cross multiply
    17,140.24x = 25,708.73 × 5,451.40
  4. Step 4: Simplify right side
    17,140.24x = 140,148,455.81
  5. Step 5: Solve for x
    x = 140,148,455.81/17,140.24
  6. Step 6: Final answer
    x = 8,176.58

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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.