Home / 14,423.78-21,626.37-5,659.58

Finding the Fourth Proportional to 14,423.78, 21,626.37 and 5,659.58

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Solution

The fourth proportional to 14,423.78, 21,626.37 and 5,659.58 is: 8,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.78 : 21,626.37 = 5,659.58 : x
  2. Step 2: Convert to fraction form
    14,423.78/21,626.37 = 5,659.58/x
  3. Step 3: Cross multiply
    14,423.78x = 21,626.37 × 5,659.58
  4. Step 4: Simplify right side
    14,423.78x = 122,396,171.12
  5. Step 5: Solve for x
    x = 122,396,171.12/14,423.78
  6. Step 6: Final answer
    x = 8,485.72

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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.