Home / 14,717.24-20,309.76-8,002.84

Finding the Fourth Proportional to 14,717.24, 20,309.76 and 8,002.84

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Solution

The fourth proportional to 14,717.24, 20,309.76 and 8,002.84 is: 11,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.24 : 20,309.76 = 8,002.84 : x
  2. Step 2: Convert to fraction form
    14,717.24/20,309.76 = 8,002.84/x
  3. Step 3: Cross multiply
    14,717.24x = 20,309.76 × 8,002.84
  4. Step 4: Simplify right side
    14,717.24x = 162,535,759.72
  5. Step 5: Solve for x
    x = 162,535,759.72/14,717.24
  6. Step 6: Final answer
    x = 11,043.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.