Home / 17,021.22-23,491.71-10,215.54

Finding the Fourth Proportional to 17,021.22, 23,491.71 and 10,215.54

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Solution

The fourth proportional to 17,021.22, 23,491.71 and 10,215.54 is: 14,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.22 : 23,491.71 = 10,215.54 : x
  2. Step 2: Convert to fraction form
    17,021.22/23,491.71 = 10,215.54/x
  3. Step 3: Cross multiply
    17,021.22x = 23,491.71 × 10,215.54
  4. Step 4: Simplify right side
    17,021.22x = 239,980,503.17
  5. Step 5: Solve for x
    x = 239,980,503.17/17,021.22
  6. Step 6: Final answer
    x = 14,098.90

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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.