Home / 17,190.90-23,721.80-10,021.59

Finding the Fourth Proportional to 17,190.90, 23,721.80 and 10,021.59

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Solution

The fourth proportional to 17,190.90, 23,721.80 and 10,021.59 is: 13,828.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.90 : 23,721.80 = 10,021.59 : x
  2. Step 2: Convert to fraction form
    17,190.90/23,721.80 = 10,021.59/x
  3. Step 3: Cross multiply
    17,190.90x = 23,721.80 × 10,021.59
  4. Step 4: Simplify right side
    17,190.90x = 237,730,103.55
  5. Step 5: Solve for x
    x = 237,730,103.55/17,190.90
  6. Step 6: Final answer
    x = 13,828.83

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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.