Home / 13,705.98-20,557.26-4,346.97

Finding the Fourth Proportional to 13,705.98, 20,557.26 and 4,346.97

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Solution

The fourth proportional to 13,705.98, 20,557.26 and 4,346.97 is: 6,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.98 : 20,557.26 = 4,346.97 : x
  2. Step 2: Convert to fraction form
    13,705.98/20,557.26 = 4,346.97/x
  3. Step 3: Cross multiply
    13,705.98x = 20,557.26 × 4,346.97
  4. Step 4: Simplify right side
    13,705.98x = 89,361,715.41
  5. Step 5: Solve for x
    x = 89,361,715.41/13,705.98
  6. Step 6: Final answer
    x = 6,519.91

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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.