Home / 13,624.11-20,436.30-3,763.17

Finding the Fourth Proportional to 13,624.11, 20,436.30 and 3,763.17

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Solution

The fourth proportional to 13,624.11, 20,436.30 and 3,763.17 is: 5,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.11 : 20,436.30 = 3,763.17 : x
  2. Step 2: Convert to fraction form
    13,624.11/20,436.30 = 3,763.17/x
  3. Step 3: Cross multiply
    13,624.11x = 20,436.30 × 3,763.17
  4. Step 4: Simplify right side
    13,624.11x = 76,905,271.07
  5. Step 5: Solve for x
    x = 76,905,271.07/13,624.11
  6. Step 6: Final answer
    x = 5,644.79

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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.