Home / 20,567.56-30,843.58-7,416.68

Finding the Fourth Proportional to 20,567.56, 30,843.58 and 7,416.68

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Solution

The fourth proportional to 20,567.56, 30,843.58 and 7,416.68 is: 11,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.56 : 30,843.58 = 7,416.68 : x
  2. Step 2: Convert to fraction form
    20,567.56/30,843.58 = 7,416.68/x
  3. Step 3: Cross multiply
    20,567.56x = 30,843.58 × 7,416.68
  4. Step 4: Simplify right side
    20,567.56x = 228,756,962.91
  5. Step 5: Solve for x
    x = 228,756,962.91/20,567.56
  6. Step 6: Final answer
    x = 11,122.22

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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.