Home / 19,516.91-26,923.19-11,965.01

Finding the Fourth Proportional to 19,516.91, 26,923.19 and 11,965.01

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Solution

The fourth proportional to 19,516.91, 26,923.19 and 11,965.01 is: 16,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.91 : 26,923.19 = 11,965.01 : x
  2. Step 2: Convert to fraction form
    19,516.91/26,923.19 = 11,965.01/x
  3. Step 3: Cross multiply
    19,516.91x = 26,923.19 × 11,965.01
  4. Step 4: Simplify right side
    19,516.91x = 322,136,043.14
  5. Step 5: Solve for x
    x = 322,136,043.14/19,516.91
  6. Step 6: Final answer
    x = 16,505.49

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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.