Home / 13,147.11-19,701.36-6,564.24

Finding the Fourth Proportional to 13,147.11, 19,701.36 and 6,564.24

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Solution

The fourth proportional to 13,147.11, 19,701.36 and 6,564.24 is: 9,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.11 : 19,701.36 = 6,564.24 : x
  2. Step 2: Convert to fraction form
    13,147.11/19,701.36 = 6,564.24/x
  3. Step 3: Cross multiply
    13,147.11x = 19,701.36 × 6,564.24
  4. Step 4: Simplify right side
    13,147.11x = 129,324,455.37
  5. Step 5: Solve for x
    x = 129,324,455.37/13,147.11
  6. Step 6: Final answer
    x = 9,836.72

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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.