Home / 13,610.67-20,421.28-5,296.52

Finding the Fourth Proportional to 13,610.67, 20,421.28 and 5,296.52

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Solution

The fourth proportional to 13,610.67, 20,421.28 and 5,296.52 is: 7,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.67 : 20,421.28 = 5,296.52 : x
  2. Step 2: Convert to fraction form
    13,610.67/20,421.28 = 5,296.52/x
  3. Step 3: Cross multiply
    13,610.67x = 20,421.28 × 5,296.52
  4. Step 4: Simplify right side
    13,610.67x = 108,161,775.62
  5. Step 5: Solve for x
    x = 108,161,775.62/13,610.67
  6. Step 6: Final answer
    x = 7,946.84

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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.