Home / 26,581.86-39,838.23-11,768.58

Finding the Fourth Proportional to 26,581.86, 39,838.23 and 11,768.58

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Solution

The fourth proportional to 26,581.86, 39,838.23 and 11,768.58 is: 17,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.86 : 39,838.23 = 11,768.58 : x
  2. Step 2: Convert to fraction form
    26,581.86/39,838.23 = 11,768.58/x
  3. Step 3: Cross multiply
    26,581.86x = 39,838.23 × 11,768.58
  4. Step 4: Simplify right side
    26,581.86x = 468,839,396.81
  5. Step 5: Solve for x
    x = 468,839,396.81/26,581.86
  6. Step 6: Final answer
    x = 17,637.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.