Home / 17,135.09-23,649.35-9,969.17

Finding the Fourth Proportional to 17,135.09, 23,649.35 and 9,969.17

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Solution

The fourth proportional to 17,135.09, 23,649.35 and 9,969.17 is: 13,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.09 : 23,649.35 = 9,969.17 : x
  2. Step 2: Convert to fraction form
    17,135.09/23,649.35 = 9,969.17/x
  3. Step 3: Cross multiply
    17,135.09x = 23,649.35 × 9,969.17
  4. Step 4: Simplify right side
    17,135.09x = 235,764,390.54
  5. Step 5: Solve for x
    x = 235,764,390.54/17,135.09
  6. Step 6: Final answer
    x = 13,759.16

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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.