Home / 36,915.70-55,374.33-13,224.78

Finding the Fourth Proportional to 36,915.70, 55,374.33 and 13,224.78

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Solution

The fourth proportional to 36,915.70, 55,374.33 and 13,224.78 is: 19,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,915.70 : 55,374.33 = 13,224.78 : x
  2. Step 2: Convert to fraction form
    36,915.70/55,374.33 = 13,224.78/x
  3. Step 3: Cross multiply
    36,915.70x = 55,374.33 × 13,224.78
  4. Step 4: Simplify right side
    36,915.70x = 732,313,539.55
  5. Step 5: Solve for x
    x = 732,313,539.55/36,915.70
  6. Step 6: Final answer
    x = 19,837.46

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1.5x scale

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.