Home / 17,340.90-23,930.34-9,789.68

Finding the Fourth Proportional to 17,340.90, 23,930.34 and 9,789.68

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Solution

The fourth proportional to 17,340.90, 23,930.34 and 9,789.68 is: 13,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.90 : 23,930.34 = 9,789.68 : x
  2. Step 2: Convert to fraction form
    17,340.90/23,930.34 = 9,789.68/x
  3. Step 3: Cross multiply
    17,340.90x = 23,930.34 × 9,789.68
  4. Step 4: Simplify right side
    17,340.90x = 234,270,370.89
  5. Step 5: Solve for x
    x = 234,270,370.89/17,340.90
  6. Step 6: Final answer
    x = 13,509.70

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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.