Home / 13,896.68-19,164.98-10,128.62

Finding the Fourth Proportional to 13,896.68, 19,164.98 and 10,128.62

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Solution

The fourth proportional to 13,896.68, 19,164.98 and 10,128.62 is: 13,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.68 : 19,164.98 = 10,128.62 : x
  2. Step 2: Convert to fraction form
    13,896.68/19,164.98 = 10,128.62/x
  3. Step 3: Cross multiply
    13,896.68x = 19,164.98 × 10,128.62
  4. Step 4: Simplify right side
    13,896.68x = 194,114,653.26
  5. Step 5: Solve for x
    x = 194,114,653.26/13,896.68
  6. Step 6: Final answer
    x = 13,968.42

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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.