Home / 13,562.66-20,339.67-4,326.50

Finding the Fourth Proportional to 13,562.66, 20,339.67 and 4,326.50

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Solution

The fourth proportional to 13,562.66, 20,339.67 and 4,326.50 is: 6,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.66 : 20,339.67 = 4,326.50 : x
  2. Step 2: Convert to fraction form
    13,562.66/20,339.67 = 4,326.50/x
  3. Step 3: Cross multiply
    13,562.66x = 20,339.67 × 4,326.50
  4. Step 4: Simplify right side
    13,562.66x = 87,999,582.26
  5. Step 5: Solve for x
    x = 87,999,582.26/13,562.66
  6. Step 6: Final answer
    x = 6,488.37

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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.