Home / 26,619.81-36,768.05-19,935.29

Finding the Fourth Proportional to 26,619.81, 36,768.05 and 19,935.29

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Solution

The fourth proportional to 26,619.81, 36,768.05 and 19,935.29 is: 27,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.81 : 36,768.05 = 19,935.29 : x
  2. Step 2: Convert to fraction form
    26,619.81/36,768.05 = 19,935.29/x
  3. Step 3: Cross multiply
    26,619.81x = 36,768.05 × 19,935.29
  4. Step 4: Simplify right side
    26,619.81x = 732,981,455.97
  5. Step 5: Solve for x
    x = 732,981,455.97/26,619.81
  6. Step 6: Final answer
    x = 27,535.19

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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.