Home / 25,386.07-38,083.43-12,741.86

Finding the Fourth Proportional to 25,386.07, 38,083.43 and 12,741.86

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Solution

The fourth proportional to 25,386.07, 38,083.43 and 12,741.86 is: 19,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.07 : 38,083.43 = 12,741.86 : x
  2. Step 2: Convert to fraction form
    25,386.07/38,083.43 = 12,741.86/x
  3. Step 3: Cross multiply
    25,386.07x = 38,083.43 × 12,741.86
  4. Step 4: Simplify right side
    25,386.07x = 485,253,733.38
  5. Step 5: Solve for x
    x = 485,253,733.38/25,386.07
  6. Step 6: Final answer
    x = 19,114.96

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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.