Home / 13,652.03-20,465.87-5,330.12

Finding the Fourth Proportional to 13,652.03, 20,465.87 and 5,330.12

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Solution

The fourth proportional to 13,652.03, 20,465.87 and 5,330.12 is: 7,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.03 : 20,465.87 = 5,330.12 : x
  2. Step 2: Convert to fraction form
    13,652.03/20,465.87 = 5,330.12/x
  3. Step 3: Cross multiply
    13,652.03x = 20,465.87 × 5,330.12
  4. Step 4: Simplify right side
    13,652.03x = 109,085,516.35
  5. Step 5: Solve for x
    x = 109,085,516.35/13,652.03
  6. Step 6: Final answer
    x = 7,990.42

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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.