Home / 13,568.51-20,345.45-4,204.51

Finding the Fourth Proportional to 13,568.51, 20,345.45 and 4,204.51

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Solution

The fourth proportional to 13,568.51, 20,345.45 and 4,204.51 is: 6,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.51 : 20,345.45 = 4,204.51 : x
  2. Step 2: Convert to fraction form
    13,568.51/20,345.45 = 4,204.51/x
  3. Step 3: Cross multiply
    13,568.51x = 20,345.45 × 4,204.51
  4. Step 4: Simplify right side
    13,568.51x = 85,542,576.09
  5. Step 5: Solve for x
    x = 85,542,576.09/13,568.51
  6. Step 6: Final answer
    x = 6,304.49

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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.