Home / 13,331.03-19,996.88-3,470.76

Finding the Fourth Proportional to 13,331.03, 19,996.88 and 3,470.76

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Solution

The fourth proportional to 13,331.03, 19,996.88 and 3,470.76 is: 5,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.03 : 19,996.88 = 3,470.76 : x
  2. Step 2: Convert to fraction form
    13,331.03/19,996.88 = 3,470.76/x
  3. Step 3: Cross multiply
    13,331.03x = 19,996.88 × 3,470.76
  4. Step 4: Simplify right side
    13,331.03x = 69,404,353.88
  5. Step 5: Solve for x
    x = 69,404,353.88/13,331.03
  6. Step 6: Final answer
    x = 5,206.23

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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.