Home / 24,489.12-33,795-13,311.12

Finding the Fourth Proportional to 24,489.12, 33,795 and 13,311.12

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Solution

The fourth proportional to 24,489.12, 33,795 and 13,311.12 is: 18,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,489.12 : 33,795 = 13,311.12 : x
  2. Step 2: Convert to fraction form
    24,489.12/33,795 = 13,311.12/x
  3. Step 3: Cross multiply
    24,489.12x = 33,795 × 13,311.12
  4. Step 4: Simplify right side
    24,489.12x = 449,849,300.40
  5. Step 5: Solve for x
    x = 449,849,300.40/24,489.12
  6. Step 6: Final answer
    x = 18,369.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.