Home / 13,270.69-19,913.79-4,956.43

Finding the Fourth Proportional to 13,270.69, 19,913.79 and 4,956.43

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Solution

The fourth proportional to 13,270.69, 19,913.79 and 4,956.43 is: 7,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.69 : 19,913.79 = 4,956.43 : x
  2. Step 2: Convert to fraction form
    13,270.69/19,913.79 = 4,956.43/x
  3. Step 3: Cross multiply
    13,270.69x = 19,913.79 × 4,956.43
  4. Step 4: Simplify right side
    13,270.69x = 98,701,306.17
  5. Step 5: Solve for x
    x = 98,701,306.17/13,270.69
  6. Step 6: Final answer
    x = 7,437.54

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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.