Home / 17,007.40-25,493.48-12,315.68

Finding the Fourth Proportional to 17,007.40, 25,493.48 and 12,315.68

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Solution

The fourth proportional to 17,007.40, 25,493.48 and 12,315.68 is: 18,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.40 : 25,493.48 = 12,315.68 : x
  2. Step 2: Convert to fraction form
    17,007.40/25,493.48 = 12,315.68/x
  3. Step 3: Cross multiply
    17,007.40x = 25,493.48 × 12,315.68
  4. Step 4: Simplify right side
    17,007.40x = 313,969,352.72
  5. Step 5: Solve for x
    x = 313,969,352.72/17,007.40
  6. Step 6: Final answer
    x = 18,460.76

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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.