Home / 13,326.38-19,989.67-4,561.37

Finding the Fourth Proportional to 13,326.38, 19,989.67 and 4,561.37

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Solution

The fourth proportional to 13,326.38, 19,989.67 and 4,561.37 is: 6,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.38 : 19,989.67 = 4,561.37 : x
  2. Step 2: Convert to fraction form
    13,326.38/19,989.67 = 4,561.37/x
  3. Step 3: Cross multiply
    13,326.38x = 19,989.67 × 4,561.37
  4. Step 4: Simplify right side
    13,326.38x = 91,180,169.70
  5. Step 5: Solve for x
    x = 91,180,169.70/13,326.38
  6. Step 6: Final answer
    x = 6,842.08

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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.