Home / 13,325.80-19,984.12-4,558.68

Finding the Fourth Proportional to 13,325.80, 19,984.12 and 4,558.68

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Solution

The fourth proportional to 13,325.80, 19,984.12 and 4,558.68 is: 6,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.80 : 19,984.12 = 4,558.68 : x
  2. Step 2: Convert to fraction form
    13,325.80/19,984.12 = 4,558.68/x
  3. Step 3: Cross multiply
    13,325.80x = 19,984.12 × 4,558.68
  4. Step 4: Simplify right side
    13,325.80x = 91,101,208.16
  5. Step 5: Solve for x
    x = 91,101,208.16/13,325.80
  6. Step 6: Final answer
    x = 6,836.45

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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.