Home / 36,513.28-54,772.64-10,217.68

Finding the Fourth Proportional to 36,513.28, 54,772.64 and 10,217.68

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Solution

The fourth proportional to 36,513.28, 54,772.64 and 10,217.68 is: 15,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.28 : 54,772.64 = 10,217.68 : x
  2. Step 2: Convert to fraction form
    36,513.28/54,772.64 = 10,217.68/x
  3. Step 3: Cross multiply
    36,513.28x = 54,772.64 × 10,217.68
  4. Step 4: Simplify right side
    36,513.28x = 559,649,308.28
  5. Step 5: Solve for x
    x = 559,649,308.28/36,513.28
  6. Step 6: Final answer
    x = 15,327.28

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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.