Home / 17,251.28-23,815.76-11,615.68

Finding the Fourth Proportional to 17,251.28, 23,815.76 and 11,615.68

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Solution

The fourth proportional to 17,251.28, 23,815.76 and 11,615.68 is: 16,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.28 : 23,815.76 = 11,615.68 : x
  2. Step 2: Convert to fraction form
    17,251.28/23,815.76 = 11,615.68/x
  3. Step 3: Cross multiply
    17,251.28x = 23,815.76 × 11,615.68
  4. Step 4: Simplify right side
    17,251.28x = 276,636,247.12
  5. Step 5: Solve for x
    x = 276,636,247.12/17,251.28
  6. Step 6: Final answer
    x = 16,035.69

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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.