Home / 13,365.60-20,042.74-4,006.95

Finding the Fourth Proportional to 13,365.60, 20,042.74 and 4,006.95

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Solution

The fourth proportional to 13,365.60, 20,042.74 and 4,006.95 is: 6,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.60 : 20,042.74 = 4,006.95 : x
  2. Step 2: Convert to fraction form
    13,365.60/20,042.74 = 4,006.95/x
  3. Step 3: Cross multiply
    13,365.60x = 20,042.74 × 4,006.95
  4. Step 4: Simplify right side
    13,365.60x = 80,310,257.04
  5. Step 5: Solve for x
    x = 80,310,257.04/13,365.60
  6. Step 6: Final answer
    x = 6,008.73

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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.