Home / 14,739.28-20,341.64-11,006.80

Finding the Fourth Proportional to 14,739.28, 20,341.64 and 11,006.80

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Solution

The fourth proportional to 14,739.28, 20,341.64 and 11,006.80 is: 15,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.28 : 20,341.64 = 11,006.80 : x
  2. Step 2: Convert to fraction form
    14,739.28/20,341.64 = 11,006.80/x
  3. Step 3: Cross multiply
    14,739.28x = 20,341.64 × 11,006.80
  4. Step 4: Simplify right side
    14,739.28x = 223,896,363.15
  5. Step 5: Solve for x
    x = 223,896,363.15/14,739.28
  6. Step 6: Final answer
    x = 15,190.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.