Home / 16,984.62-25,430.13-12,812.00

Finding the Fourth Proportional to 16,984.62, 25,430.13 and 12,812.00

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Solution

The fourth proportional to 16,984.62, 25,430.13 and 12,812.00 is: 19,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.62 : 25,430.13 = 12,812.00 : x
  2. Step 2: Convert to fraction form
    16,984.62/25,430.13 = 12,812.00/x
  3. Step 3: Cross multiply
    16,984.62x = 25,430.13 × 12,812.00
  4. Step 4: Simplify right side
    16,984.62x = 325,810,698.41
  5. Step 5: Solve for x
    x = 325,810,698.41/16,984.62
  6. Step 6: Final answer
    x = 19,182.69

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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.