Home / 13,391.72-20,087.73-4,624.58

Finding the Fourth Proportional to 13,391.72, 20,087.73 and 4,624.58

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Solution

The fourth proportional to 13,391.72, 20,087.73 and 4,624.58 is: 6,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.72 : 20,087.73 = 4,624.58 : x
  2. Step 2: Convert to fraction form
    13,391.72/20,087.73 = 4,624.58/x
  3. Step 3: Cross multiply
    13,391.72x = 20,087.73 × 4,624.58
  4. Step 4: Simplify right side
    13,391.72x = 92,897,291.28
  5. Step 5: Solve for x
    x = 92,897,291.28/13,391.72
  6. Step 6: Final answer
    x = 6,936.92

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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.