Home / 27,141.69-40,731.77-12,352.51

Finding the Fourth Proportional to 27,141.69, 40,731.77 and 12,352.51

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Solution

The fourth proportional to 27,141.69, 40,731.77 and 12,352.51 is: 18,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.69 : 40,731.77 = 12,352.51 : x
  2. Step 2: Convert to fraction form
    27,141.69/40,731.77 = 12,352.51/x
  3. Step 3: Cross multiply
    27,141.69x = 40,731.77 × 12,352.51
  4. Step 4: Simplify right side
    27,141.69x = 503,139,525.29
  5. Step 5: Solve for x
    x = 503,139,525.29/27,141.69
  6. Step 6: Final answer
    x = 18,537.52

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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.