Home / 13,513.43-20,237.21-7,652.27

Finding the Fourth Proportional to 13,513.43, 20,237.21 and 7,652.27

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Solution

The fourth proportional to 13,513.43, 20,237.21 and 7,652.27 is: 11,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.43 : 20,237.21 = 7,652.27 : x
  2. Step 2: Convert to fraction form
    13,513.43/20,237.21 = 7,652.27/x
  3. Step 3: Cross multiply
    13,513.43x = 20,237.21 × 7,652.27
  4. Step 4: Simplify right side
    13,513.43x = 154,860,556.71
  5. Step 5: Solve for x
    x = 154,860,556.71/13,513.43
  6. Step 6: Final answer
    x = 11,459.75

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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.