Home / 13,958.91-20,939.72-4,595.10

Finding the Fourth Proportional to 13,958.91, 20,939.72 and 4,595.10

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Solution

The fourth proportional to 13,958.91, 20,939.72 and 4,595.10 is: 6,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.91 : 20,939.72 = 4,595.10 : x
  2. Step 2: Convert to fraction form
    13,958.91/20,939.72 = 4,595.10/x
  3. Step 3: Cross multiply
    13,958.91x = 20,939.72 × 4,595.10
  4. Step 4: Simplify right side
    13,958.91x = 96,220,107.37
  5. Step 5: Solve for x
    x = 96,220,107.37/13,958.91
  6. Step 6: Final answer
    x = 6,893.10

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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.