Home / 13,646.07-20,468.18-5,324.54

Finding the Fourth Proportional to 13,646.07, 20,468.18 and 5,324.54

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Solution

The fourth proportional to 13,646.07, 20,468.18 and 5,324.54 is: 7,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.07 : 20,468.18 = 5,324.54 : x
  2. Step 2: Convert to fraction form
    13,646.07/20,468.18 = 5,324.54/x
  3. Step 3: Cross multiply
    13,646.07x = 20,468.18 × 5,324.54
  4. Step 4: Simplify right side
    13,646.07x = 108,983,554.11
  5. Step 5: Solve for x
    x = 108,983,554.11/13,646.07
  6. Step 6: Final answer
    x = 7,986.44

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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.