Home / 13,331.36-19,990.33-4,443.54

Finding the Fourth Proportional to 13,331.36, 19,990.33 and 4,443.54

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Solution

The fourth proportional to 13,331.36, 19,990.33 and 4,443.54 is: 6,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.36 : 19,990.33 = 4,443.54 : x
  2. Step 2: Convert to fraction form
    13,331.36/19,990.33 = 4,443.54/x
  3. Step 3: Cross multiply
    13,331.36x = 19,990.33 × 4,443.54
  4. Step 4: Simplify right side
    13,331.36x = 88,827,819.86
  5. Step 5: Solve for x
    x = 88,827,819.86/13,331.36
  6. Step 6: Final answer
    x = 6,663.07

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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.