Home / 16,812.06-25,221.15-6,945.99

Finding the Fourth Proportional to 16,812.06, 25,221.15 and 6,945.99

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Solution

The fourth proportional to 16,812.06, 25,221.15 and 6,945.99 is: 10,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.06 : 25,221.15 = 6,945.99 : x
  2. Step 2: Convert to fraction form
    16,812.06/25,221.15 = 6,945.99/x
  3. Step 3: Cross multiply
    16,812.06x = 25,221.15 × 6,945.99
  4. Step 4: Simplify right side
    16,812.06x = 175,185,855.69
  5. Step 5: Solve for x
    x = 175,185,855.69/16,812.06
  6. Step 6: Final answer
    x = 10,420.25

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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.