Home / 13,592.41-20,386.44-3,729.40

Finding the Fourth Proportional to 13,592.41, 20,386.44 and 3,729.40

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Solution

The fourth proportional to 13,592.41, 20,386.44 and 3,729.40 is: 5,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.41 : 20,386.44 = 3,729.40 : x
  2. Step 2: Convert to fraction form
    13,592.41/20,386.44 = 3,729.40/x
  3. Step 3: Cross multiply
    13,592.41x = 20,386.44 × 3,729.40
  4. Step 4: Simplify right side
    13,592.41x = 76,029,189.34
  5. Step 5: Solve for x
    x = 76,029,189.34/13,592.41
  6. Step 6: Final answer
    x = 5,593.50

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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.