Home / 25,941.12-38,918.08-7,472.96

Finding the Fourth Proportional to 25,941.12, 38,918.08 and 7,472.96

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Solution

The fourth proportional to 25,941.12, 38,918.08 and 7,472.96 is: 11,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.12 : 38,918.08 = 7,472.96 : x
  2. Step 2: Convert to fraction form
    25,941.12/38,918.08 = 7,472.96/x
  3. Step 3: Cross multiply
    25,941.12x = 38,918.08 × 7,472.96
  4. Step 4: Simplify right side
    25,941.12x = 290,833,255.12
  5. Step 5: Solve for x
    x = 290,833,255.12/25,941.12
  6. Step 6: Final answer
    x = 11,211.28

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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.