Home / 20,528.44-28,329.27-11,097.01

Finding the Fourth Proportional to 20,528.44, 28,329.27 and 11,097.01

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Solution

The fourth proportional to 20,528.44, 28,329.27 and 11,097.01 is: 15,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.44 : 28,329.27 = 11,097.01 : x
  2. Step 2: Convert to fraction form
    20,528.44/28,329.27 = 11,097.01/x
  3. Step 3: Cross multiply
    20,528.44x = 28,329.27 × 11,097.01
  4. Step 4: Simplify right side
    20,528.44x = 314,370,050.84
  5. Step 5: Solve for x
    x = 314,370,050.84/20,528.44
  6. Step 6: Final answer
    x = 15,313.88

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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.