Home / 26,649.82-39,967.76-7,924.81

Finding the Fourth Proportional to 26,649.82, 39,967.76 and 7,924.81

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Solution

The fourth proportional to 26,649.82, 39,967.76 and 7,924.81 is: 11,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.82 : 39,967.76 = 7,924.81 : x
  2. Step 2: Convert to fraction form
    26,649.82/39,967.76 = 7,924.81/x
  3. Step 3: Cross multiply
    26,649.82x = 39,967.76 × 7,924.81
  4. Step 4: Simplify right side
    26,649.82x = 316,736,904.13
  5. Step 5: Solve for x
    x = 316,736,904.13/26,649.82
  6. Step 6: Final answer
    x = 11,885.14

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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.