Home / 15,511.51-23,270.91-4,417.95

Finding the Fourth Proportional to 15,511.51, 23,270.91 and 4,417.95

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Solution

The fourth proportional to 15,511.51, 23,270.91 and 4,417.95 is: 6,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.51 : 23,270.91 = 4,417.95 : x
  2. Step 2: Convert to fraction form
    15,511.51/23,270.91 = 4,417.95/x
  3. Step 3: Cross multiply
    15,511.51x = 23,270.91 × 4,417.95
  4. Step 4: Simplify right side
    15,511.51x = 102,809,716.83
  5. Step 5: Solve for x
    x = 102,809,716.83/15,511.51
  6. Step 6: Final answer
    x = 6,627.96

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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.