Home / 15,796.44-21,802.50-10,772.65

Finding the Fourth Proportional to 15,796.44, 21,802.50 and 10,772.65

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Solution

The fourth proportional to 15,796.44, 21,802.50 and 10,772.65 is: 14,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.44 : 21,802.50 = 10,772.65 : x
  2. Step 2: Convert to fraction form
    15,796.44/21,802.50 = 10,772.65/x
  3. Step 3: Cross multiply
    15,796.44x = 21,802.50 × 10,772.65
  4. Step 4: Simplify right side
    15,796.44x = 234,870,728.88
  5. Step 5: Solve for x
    x = 234,870,728.88/15,796.44
  6. Step 6: Final answer
    x = 14,868.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.