Home / 13,329.36-19,980.66-4,558.27

Finding the Fourth Proportional to 13,329.36, 19,980.66 and 4,558.27

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Solution

The fourth proportional to 13,329.36, 19,980.66 and 4,558.27 is: 6,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.36 : 19,980.66 = 4,558.27 : x
  2. Step 2: Convert to fraction form
    13,329.36/19,980.66 = 4,558.27/x
  3. Step 3: Cross multiply
    13,329.36x = 19,980.66 × 4,558.27
  4. Step 4: Simplify right side
    13,329.36x = 91,077,243.06
  5. Step 5: Solve for x
    x = 91,077,243.06/13,329.36
  6. Step 6: Final answer
    x = 6,832.83

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1.5x scale

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.