Home / 23,786.10-35,679.15-13,920.30

Finding the Fourth Proportional to 23,786.10, 35,679.15 and 13,920.30

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Solution

The fourth proportional to 23,786.10, 35,679.15 and 13,920.30 is: 20,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,786.10 : 35,679.15 = 13,920.30 : x
  2. Step 2: Convert to fraction form
    23,786.10/35,679.15 = 13,920.30/x
  3. Step 3: Cross multiply
    23,786.10x = 35,679.15 × 13,920.30
  4. Step 4: Simplify right side
    23,786.10x = 496,664,471.75
  5. Step 5: Solve for x
    x = 496,664,471.75/23,786.10
  6. Step 6: Final answer
    x = 20,880.45

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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.