Home / 15,188.33-22,779.86-6,866.41

Finding the Fourth Proportional to 15,188.33, 22,779.86 and 6,866.41

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Solution

The fourth proportional to 15,188.33, 22,779.86 and 6,866.41 is: 10,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.33 : 22,779.86 = 6,866.41 : x
  2. Step 2: Convert to fraction form
    15,188.33/22,779.86 = 6,866.41/x
  3. Step 3: Cross multiply
    15,188.33x = 22,779.86 × 6,866.41
  4. Step 4: Simplify right side
    15,188.33x = 156,415,826.18
  5. Step 5: Solve for x
    x = 156,415,826.18/15,188.33
  6. Step 6: Final answer
    x = 10,298.42

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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.