Home / 23,120.93-31,907.84-14,619.98

Finding the Fourth Proportional to 23,120.93, 31,907.84 and 14,619.98

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Solution

The fourth proportional to 23,120.93, 31,907.84 and 14,619.98 is: 20,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.93 : 31,907.84 = 14,619.98 : x
  2. Step 2: Convert to fraction form
    23,120.93/31,907.84 = 14,619.98/x
  3. Step 3: Cross multiply
    23,120.93x = 31,907.84 × 14,619.98
  4. Step 4: Simplify right side
    23,120.93x = 466,491,750.00
  5. Step 5: Solve for x
    x = 466,491,750.00/23,120.93
  6. Step 6: Final answer
    x = 20,176.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.