Home / 13,533.12-20,283.84-5,739.84

Finding the Fourth Proportional to 13,533.12, 20,283.84 and 5,739.84

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Solution

The fourth proportional to 13,533.12, 20,283.84 and 5,739.84 is: 8,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.12 : 20,283.84 = 5,739.84 : x
  2. Step 2: Convert to fraction form
    13,533.12/20,283.84 = 5,739.84/x
  3. Step 3: Cross multiply
    13,533.12x = 20,283.84 × 5,739.84
  4. Step 4: Simplify right side
    13,533.12x = 116,425,996.19
  5. Step 5: Solve for x
    x = 116,425,996.19/13,533.12
  6. Step 6: Final answer
    x = 8,603.04

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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.