Home / 16,201.55-22,349.61-11,157.03

Finding the Fourth Proportional to 16,201.55, 22,349.61 and 11,157.03

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Solution

The fourth proportional to 16,201.55, 22,349.61 and 11,157.03 is: 15,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.55 : 22,349.61 = 11,157.03 : x
  2. Step 2: Convert to fraction form
    16,201.55/22,349.61 = 11,157.03/x
  3. Step 3: Cross multiply
    16,201.55x = 22,349.61 × 11,157.03
  4. Step 4: Simplify right side
    16,201.55x = 249,355,269.26
  5. Step 5: Solve for x
    x = 249,355,269.26/16,201.55
  6. Step 6: Final answer
    x = 15,390.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.