Home / 13,179.96-19,769.88-4,415.46

Finding the Fourth Proportional to 13,179.96, 19,769.88 and 4,415.46

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Solution

The fourth proportional to 13,179.96, 19,769.88 and 4,415.46 is: 6,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.96 : 19,769.88 = 4,415.46 : x
  2. Step 2: Convert to fraction form
    13,179.96/19,769.88 = 4,415.46/x
  3. Step 3: Cross multiply
    13,179.96x = 19,769.88 × 4,415.46
  4. Step 4: Simplify right side
    13,179.96x = 87,293,114.34
  5. Step 5: Solve for x
    x = 87,293,114.34/13,179.96
  6. Step 6: Final answer
    x = 6,623.17

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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.