Home / 13,597.08-20,383.14-5,282.70

Finding the Fourth Proportional to 13,597.08, 20,383.14 and 5,282.70

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Solution

The fourth proportional to 13,597.08, 20,383.14 and 5,282.70 is: 7,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.08 : 20,383.14 = 5,282.70 : x
  2. Step 2: Convert to fraction form
    13,597.08/20,383.14 = 5,282.70/x
  3. Step 3: Cross multiply
    13,597.08x = 20,383.14 × 5,282.70
  4. Step 4: Simplify right side
    13,597.08x = 107,678,013.68
  5. Step 5: Solve for x
    x = 107,678,013.68/13,597.08
  6. Step 6: Final answer
    x = 7,919.20

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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.