Home / 13,289.13-19,932.39-4,523.94

Finding the Fourth Proportional to 13,289.13, 19,932.39 and 4,523.94

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Solution

The fourth proportional to 13,289.13, 19,932.39 and 4,523.94 is: 6,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.13 : 19,932.39 = 4,523.94 : x
  2. Step 2: Convert to fraction form
    13,289.13/19,932.39 = 4,523.94/x
  3. Step 3: Cross multiply
    13,289.13x = 19,932.39 × 4,523.94
  4. Step 4: Simplify right side
    13,289.13x = 90,172,936.42
  5. Step 5: Solve for x
    x = 90,172,936.42/13,289.13
  6. Step 6: Final answer
    x = 6,785.47

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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.