Home / 14,578.45-21,868.37-4,718.50

Finding the Fourth Proportional to 14,578.45, 21,868.37 and 4,718.50

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Solution

The fourth proportional to 14,578.45, 21,868.37 and 4,718.50 is: 7,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.45 : 21,868.37 = 4,718.50 : x
  2. Step 2: Convert to fraction form
    14,578.45/21,868.37 = 4,718.50/x
  3. Step 3: Cross multiply
    14,578.45x = 21,868.37 × 4,718.50
  4. Step 4: Simplify right side
    14,578.45x = 103,185,903.85
  5. Step 5: Solve for x
    x = 103,185,903.85/14,578.45
  6. Step 6: Final answer
    x = 7,077.97

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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.