Home / 13,016.40-19,512.61-4,694.38

Finding the Fourth Proportional to 13,016.40, 19,512.61 and 4,694.38

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Solution

The fourth proportional to 13,016.40, 19,512.61 and 4,694.38 is: 7,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.40 : 19,512.61 = 4,694.38 : x
  2. Step 2: Convert to fraction form
    13,016.40/19,512.61 = 4,694.38/x
  3. Step 3: Cross multiply
    13,016.40x = 19,512.61 × 4,694.38
  4. Step 4: Simplify right side
    13,016.40x = 91,599,606.13
  5. Step 5: Solve for x
    x = 91,599,606.13/13,016.40
  6. Step 6: Final answer
    x = 7,037.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.