Home / 13,365.35-20,042.38-4,006.70

Finding the Fourth Proportional to 13,365.35, 20,042.38 and 4,006.70

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Solution

The fourth proportional to 13,365.35, 20,042.38 and 4,006.70 is: 6,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.35 : 20,042.38 = 4,006.70 : x
  2. Step 2: Convert to fraction form
    13,365.35/20,042.38 = 4,006.70/x
  3. Step 3: Cross multiply
    13,365.35x = 20,042.38 × 4,006.70
  4. Step 4: Simplify right side
    13,365.35x = 80,303,803.95
  5. Step 5: Solve for x
    x = 80,303,803.95/13,365.35
  6. Step 6: Final answer
    x = 6,008.36

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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.