Home / 13,754.48-20,631.53-4,394.37

Finding the Fourth Proportional to 13,754.48, 20,631.53 and 4,394.37

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Solution

The fourth proportional to 13,754.48, 20,631.53 and 4,394.37 is: 6,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.48 : 20,631.53 = 4,394.37 : x
  2. Step 2: Convert to fraction form
    13,754.48/20,631.53 = 4,394.37/x
  3. Step 3: Cross multiply
    13,754.48x = 20,631.53 × 4,394.37
  4. Step 4: Simplify right side
    13,754.48x = 90,662,524.07
  5. Step 5: Solve for x
    x = 90,662,524.07/13,754.48
  6. Step 6: Final answer
    x = 6,591.49

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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.