Home / 12,554.59-18,824.50-4,763.95

Finding the Fourth Proportional to 12,554.59, 18,824.50 and 4,763.95

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Solution

The fourth proportional to 12,554.59, 18,824.50 and 4,763.95 is: 7,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.59 : 18,824.50 = 4,763.95 : x
  2. Step 2: Convert to fraction form
    12,554.59/18,824.50 = 4,763.95/x
  3. Step 3: Cross multiply
    12,554.59x = 18,824.50 × 4,763.95
  4. Step 4: Simplify right side
    12,554.59x = 89,678,976.78
  5. Step 5: Solve for x
    x = 89,678,976.78/12,554.59
  6. Step 6: Final answer
    x = 7,143.12

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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.