Home / 35,915.56-53,874.21-12,223.06

Finding the Fourth Proportional to 35,915.56, 53,874.21 and 12,223.06

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Solution

The fourth proportional to 35,915.56, 53,874.21 and 12,223.06 is: 18,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.56 : 53,874.21 = 12,223.06 : x
  2. Step 2: Convert to fraction form
    35,915.56/53,874.21 = 12,223.06/x
  3. Step 3: Cross multiply
    35,915.56x = 53,874.21 × 12,223.06
  4. Step 4: Simplify right side
    35,915.56x = 658,507,701.28
  5. Step 5: Solve for x
    x = 658,507,701.28/35,915.56
  6. Step 6: Final answer
    x = 18,334.89

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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.