Home / 19,120.33-26,372.01-11,162.08

Finding the Fourth Proportional to 19,120.33, 26,372.01 and 11,162.08

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Solution

The fourth proportional to 19,120.33, 26,372.01 and 11,162.08 is: 15,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.33 : 26,372.01 = 11,162.08 : x
  2. Step 2: Convert to fraction form
    19,120.33/26,372.01 = 11,162.08/x
  3. Step 3: Cross multiply
    19,120.33x = 26,372.01 × 11,162.08
  4. Step 4: Simplify right side
    19,120.33x = 294,366,485.38
  5. Step 5: Solve for x
    x = 294,366,485.38/19,120.33
  6. Step 6: Final answer
    x = 15,395.47

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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.