Home / 36,343.75-54,515.63-11,719.75

Finding the Fourth Proportional to 36,343.75, 54,515.63 and 11,719.75

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Solution

The fourth proportional to 36,343.75, 54,515.63 and 11,719.75 is: 17,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,343.75 : 54,515.63 = 11,719.75 : x
  2. Step 2: Convert to fraction form
    36,343.75/54,515.63 = 11,719.75/x
  3. Step 3: Cross multiply
    36,343.75x = 54,515.63 × 11,719.75
  4. Step 4: Simplify right side
    36,343.75x = 638,909,554.69
  5. Step 5: Solve for x
    x = 638,909,554.69/36,343.75
  6. Step 6: Final answer
    x = 17,579.63

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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.