Home / 26,776.65-40,148.76-11,982.81

Finding the Fourth Proportional to 26,776.65, 40,148.76 and 11,982.81

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Solution

The fourth proportional to 26,776.65, 40,148.76 and 11,982.81 is: 17,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,776.65 : 40,148.76 = 11,982.81 : x
  2. Step 2: Convert to fraction form
    26,776.65/40,148.76 = 11,982.81/x
  3. Step 3: Cross multiply
    26,776.65x = 40,148.76 × 11,982.81
  4. Step 4: Simplify right side
    26,776.65x = 481,094,962.82
  5. Step 5: Solve for x
    x = 481,094,962.82/26,776.65
  6. Step 6: Final answer
    x = 17,966.96

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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.