Home / 13,564.62-20,353.00-10,782.27

Finding the Fourth Proportional to 13,564.62, 20,353.00 and 10,782.27

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Solution

The fourth proportional to 13,564.62, 20,353.00 and 10,782.27 is: 16,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.62 : 20,353.00 = 10,782.27 : x
  2. Step 2: Convert to fraction form
    13,564.62/20,353.00 = 10,782.27/x
  3. Step 3: Cross multiply
    13,564.62x = 20,353.00 × 10,782.27
  4. Step 4: Simplify right side
    13,564.62x = 219,451,412.59
  5. Step 5: Solve for x
    x = 219,451,412.59/13,564.62
  6. Step 6: Final answer
    x = 16,178.23

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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.