Home / 13,277.67-18,324.93-8,575.62

Finding the Fourth Proportional to 13,277.67, 18,324.93 and 8,575.62

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Solution

The fourth proportional to 13,277.67, 18,324.93 and 8,575.62 is: 11,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.67 : 18,324.93 = 8,575.62 : x
  2. Step 2: Convert to fraction form
    13,277.67/18,324.93 = 8,575.62/x
  3. Step 3: Cross multiply
    13,277.67x = 18,324.93 × 8,575.62
  4. Step 4: Simplify right side
    13,277.67x = 157,147,636.21
  5. Step 5: Solve for x
    x = 157,147,636.21/13,277.67
  6. Step 6: Final answer
    x = 11,835.48

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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.