Home / 26,582.81-36,653.85-19,857.11

Finding the Fourth Proportional to 26,582.81, 36,653.85 and 19,857.11

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Solution

The fourth proportional to 26,582.81, 36,653.85 and 19,857.11 is: 27,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,582.81 : 36,653.85 = 19,857.11 : x
  2. Step 2: Convert to fraction form
    26,582.81/36,653.85 = 19,857.11/x
  3. Step 3: Cross multiply
    26,582.81x = 36,653.85 × 19,857.11
  4. Step 4: Simplify right side
    26,582.81x = 727,839,348.10
  5. Step 5: Solve for x
    x = 727,839,348.10/26,582.81
  6. Step 6: Final answer
    x = 27,380.08

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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.