Home / 17,206.28-25,765.66-11,345.12

Finding the Fourth Proportional to 17,206.28, 25,765.66 and 11,345.12

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Solution

The fourth proportional to 17,206.28, 25,765.66 and 11,345.12 is: 16,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.28 : 25,765.66 = 11,345.12 : x
  2. Step 2: Convert to fraction form
    17,206.28/25,765.66 = 11,345.12/x
  3. Step 3: Cross multiply
    17,206.28x = 25,765.66 × 11,345.12
  4. Step 4: Simplify right side
    17,206.28x = 292,314,504.58
  5. Step 5: Solve for x
    x = 292,314,504.58/17,206.28
  6. Step 6: Final answer
    x = 16,988.83

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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.