Home / 14,177.12-21,265.52-6,380.40

Finding the Fourth Proportional to 14,177.12, 21,265.52 and 6,380.40

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Solution

The fourth proportional to 14,177.12, 21,265.52 and 6,380.40 is: 9,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.12 : 21,265.52 = 6,380.40 : x
  2. Step 2: Convert to fraction form
    14,177.12/21,265.52 = 6,380.40/x
  3. Step 3: Cross multiply
    14,177.12x = 21,265.52 × 6,380.40
  4. Step 4: Simplify right side
    14,177.12x = 135,682,523.81
  5. Step 5: Solve for x
    x = 135,682,523.81/14,177.12
  6. Step 6: Final answer
    x = 9,570.53

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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.