Home / 25,691.42-38,537.91-6,971.38

Finding the Fourth Proportional to 25,691.42, 38,537.91 and 6,971.38

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Solution

The fourth proportional to 25,691.42, 38,537.91 and 6,971.38 is: 10,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.42 : 38,537.91 = 6,971.38 : x
  2. Step 2: Convert to fraction form
    25,691.42/38,537.91 = 6,971.38/x
  3. Step 3: Cross multiply
    25,691.42x = 38,537.91 × 6,971.38
  4. Step 4: Simplify right side
    25,691.42x = 268,662,222.33
  5. Step 5: Solve for x
    x = 268,662,222.33/25,691.42
  6. Step 6: Final answer
    x = 10,457.28

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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.