Home / 14,282.85-19,710.78-7,995.09

Finding the Fourth Proportional to 14,282.85, 19,710.78 and 7,995.09

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Solution

The fourth proportional to 14,282.85, 19,710.78 and 7,995.09 is: 11,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.85 : 19,710.78 = 7,995.09 : x
  2. Step 2: Convert to fraction form
    14,282.85/19,710.78 = 7,995.09/x
  3. Step 3: Cross multiply
    14,282.85x = 19,710.78 × 7,995.09
  4. Step 4: Simplify right side
    14,282.85x = 157,589,460.07
  5. Step 5: Solve for x
    x = 157,589,460.07/14,282.85
  6. Step 6: Final answer
    x = 11,033.47

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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.