Home / 26,633.03-39,948.25-9,991.77

Finding the Fourth Proportional to 26,633.03, 39,948.25 and 9,991.77

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Solution

The fourth proportional to 26,633.03, 39,948.25 and 9,991.77 is: 14,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.03 : 39,948.25 = 9,991.77 : x
  2. Step 2: Convert to fraction form
    26,633.03/39,948.25 = 9,991.77/x
  3. Step 3: Cross multiply
    26,633.03x = 39,948.25 × 9,991.77
  4. Step 4: Simplify right side
    26,633.03x = 399,153,476.20
  5. Step 5: Solve for x
    x = 399,153,476.20/26,633.03
  6. Step 6: Final answer
    x = 14,987.16

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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.