Home / 13,132.91-19,696.48-3,770.84

Finding the Fourth Proportional to 13,132.91, 19,696.48 and 3,770.84

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Solution

The fourth proportional to 13,132.91, 19,696.48 and 3,770.84 is: 5,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.91 : 19,696.48 = 3,770.84 : x
  2. Step 2: Convert to fraction form
    13,132.91/19,696.48 = 3,770.84/x
  3. Step 3: Cross multiply
    13,132.91x = 19,696.48 × 3,770.84
  4. Step 4: Simplify right side
    13,132.91x = 74,272,274.64
  5. Step 5: Solve for x
    x = 74,272,274.64/13,132.91
  6. Step 6: Final answer
    x = 5,655.43

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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.