Home / 23,487.84-35,237.04-7,905

Finding the Fourth Proportional to 23,487.84, 35,237.04 and 7,905

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Solution

The fourth proportional to 23,487.84, 35,237.04 and 7,905 is: 11,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.84 : 35,237.04 = 7,905 : x
  2. Step 2: Convert to fraction form
    23,487.84/35,237.04 = 7,905/x
  3. Step 3: Cross multiply
    23,487.84x = 35,237.04 × 7,905
  4. Step 4: Simplify right side
    23,487.84x = 278,548,801.20
  5. Step 5: Solve for x
    x = 278,548,801.20/23,487.84
  6. Step 6: Final answer
    x = 11,859.28

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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.