Home / 14,511.78-21,763.10-5,626.49

Finding the Fourth Proportional to 14,511.78, 21,763.10 and 5,626.49

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Solution

The fourth proportional to 14,511.78, 21,763.10 and 5,626.49 is: 8,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.78 : 21,763.10 = 5,626.49 : x
  2. Step 2: Convert to fraction form
    14,511.78/21,763.10 = 5,626.49/x
  3. Step 3: Cross multiply
    14,511.78x = 21,763.10 × 5,626.49
  4. Step 4: Simplify right side
    14,511.78x = 122,449,769.77
  5. Step 5: Solve for x
    x = 122,449,769.77/14,511.78
  6. Step 6: Final answer
    x = 8,437.96

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1.5x scale

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.