Home / 12,750.26-19,125.39-4,536.50

Finding the Fourth Proportional to 12,750.26, 19,125.39 and 4,536.50

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Solution

The fourth proportional to 12,750.26, 19,125.39 and 4,536.50 is: 6,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.26 : 19,125.39 = 4,536.50 : x
  2. Step 2: Convert to fraction form
    12,750.26/19,125.39 = 4,536.50/x
  3. Step 3: Cross multiply
    12,750.26x = 19,125.39 × 4,536.50
  4. Step 4: Simplify right side
    12,750.26x = 86,762,331.74
  5. Step 5: Solve for x
    x = 86,762,331.74/12,750.26
  6. Step 6: Final answer
    x = 6,804.75

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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.