Home / 13,276.40-19,913.94-4,955.78

Finding the Fourth Proportional to 13,276.40, 19,913.94 and 4,955.78

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Solution

The fourth proportional to 13,276.40, 19,913.94 and 4,955.78 is: 7,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.40 : 19,913.94 = 4,955.78 : x
  2. Step 2: Convert to fraction form
    13,276.40/19,913.94 = 4,955.78/x
  3. Step 3: Cross multiply
    13,276.40x = 19,913.94 × 4,955.78
  4. Step 4: Simplify right side
    13,276.40x = 98,689,006.00
  5. Step 5: Solve for x
    x = 98,689,006.00/13,276.40
  6. Step 6: Final answer
    x = 7,433.42

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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.