Home / 13,528.13-20,300.49-5,736.94

Finding the Fourth Proportional to 13,528.13, 20,300.49 and 5,736.94

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Solution

The fourth proportional to 13,528.13, 20,300.49 and 5,736.94 is: 8,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.13 : 20,300.49 = 5,736.94 : x
  2. Step 2: Convert to fraction form
    13,528.13/20,300.49 = 5,736.94/x
  3. Step 3: Cross multiply
    13,528.13x = 20,300.49 × 5,736.94
  4. Step 4: Simplify right side
    13,528.13x = 116,462,642.35
  5. Step 5: Solve for x
    x = 116,462,642.35/13,528.13
  6. Step 6: Final answer
    x = 8,608.93

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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.