Home / 13,568.36-18,725.73-7,826.04

Finding the Fourth Proportional to 13,568.36, 18,725.73 and 7,826.04

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Solution

The fourth proportional to 13,568.36, 18,725.73 and 7,826.04 is: 10,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.36 : 18,725.73 = 7,826.04 : x
  2. Step 2: Convert to fraction form
    13,568.36/18,725.73 = 7,826.04/x
  3. Step 3: Cross multiply
    13,568.36x = 18,725.73 × 7,826.04
  4. Step 4: Simplify right side
    13,568.36x = 146,548,282.66
  5. Step 5: Solve for x
    x = 146,548,282.66/13,568.36
  6. Step 6: Final answer
    x = 10,800.74

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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.