Home / 13,725.27-20,588.04-3,864.74

Finding the Fourth Proportional to 13,725.27, 20,588.04 and 3,864.74

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Solution

The fourth proportional to 13,725.27, 20,588.04 and 3,864.74 is: 5,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.27 : 20,588.04 = 3,864.74 : x
  2. Step 2: Convert to fraction form
    13,725.27/20,588.04 = 3,864.74/x
  3. Step 3: Cross multiply
    13,725.27x = 20,588.04 × 3,864.74
  4. Step 4: Simplify right side
    13,725.27x = 79,567,318.77
  5. Step 5: Solve for x
    x = 79,567,318.77/13,725.27
  6. Step 6: Final answer
    x = 5,797.14

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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.