Home / 16,970.45-25,469.46-7,116.65

Finding the Fourth Proportional to 16,970.45, 25,469.46 and 7,116.65

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Solution

The fourth proportional to 16,970.45, 25,469.46 and 7,116.65 is: 10,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.45 : 25,469.46 = 7,116.65 : x
  2. Step 2: Convert to fraction form
    16,970.45/25,469.46 = 7,116.65/x
  3. Step 3: Cross multiply
    16,970.45x = 25,469.46 × 7,116.65
  4. Step 4: Simplify right side
    16,970.45x = 181,257,232.51
  5. Step 5: Solve for x
    x = 181,257,232.51/16,970.45
  6. Step 6: Final answer
    x = 10,680.76

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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.