Home / 13,122.14-19,676.72-5,723.40

Finding the Fourth Proportional to 13,122.14, 19,676.72 and 5,723.40

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Solution

The fourth proportional to 13,122.14, 19,676.72 and 5,723.40 is: 8,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.14 : 19,676.72 = 5,723.40 : x
  2. Step 2: Convert to fraction form
    13,122.14/19,676.72 = 5,723.40/x
  3. Step 3: Cross multiply
    13,122.14x = 19,676.72 × 5,723.40
  4. Step 4: Simplify right side
    13,122.14x = 112,617,739.25
  5. Step 5: Solve for x
    x = 112,617,739.25/13,122.14
  6. Step 6: Final answer
    x = 8,582.27

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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.