Home / 17,007.40-23,414.58-13,415.80

Finding the Fourth Proportional to 17,007.40, 23,414.58 and 13,415.80

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Solution

The fourth proportional to 17,007.40, 23,414.58 and 13,415.80 is: 18,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.40 : 23,414.58 = 13,415.80 : x
  2. Step 2: Convert to fraction form
    17,007.40/23,414.58 = 13,415.80/x
  3. Step 3: Cross multiply
    17,007.40x = 23,414.58 × 13,415.80
  4. Step 4: Simplify right side
    17,007.40x = 314,125,322.36
  5. Step 5: Solve for x
    x = 314,125,322.36/17,007.40
  6. Step 6: Final answer
    x = 18,469.92

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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.