Home / 14,778.72-22,161.60-5,538.24

Finding the Fourth Proportional to 14,778.72, 22,161.60 and 5,538.24

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Solution

The fourth proportional to 14,778.72, 22,161.60 and 5,538.24 is: 8,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.72 : 22,161.60 = 5,538.24 : x
  2. Step 2: Convert to fraction form
    14,778.72/22,161.60 = 5,538.24/x
  3. Step 3: Cross multiply
    14,778.72x = 22,161.60 × 5,538.24
  4. Step 4: Simplify right side
    14,778.72x = 122,736,259.58
  5. Step 5: Solve for x
    x = 122,736,259.58/14,778.72
  6. Step 6: Final answer
    x = 8,304.93

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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.