Home / 13,701.61-20,550.80-3,841.68

Finding the Fourth Proportional to 13,701.61, 20,550.80 and 3,841.68

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Solution

The fourth proportional to 13,701.61, 20,550.80 and 3,841.68 is: 5,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.61 : 20,550.80 = 3,841.68 : x
  2. Step 2: Convert to fraction form
    13,701.61/20,550.80 = 3,841.68/x
  3. Step 3: Cross multiply
    13,701.61x = 20,550.80 × 3,841.68
  4. Step 4: Simplify right side
    13,701.61x = 78,949,597.34
  5. Step 5: Solve for x
    x = 78,949,597.34/13,701.61
  6. Step 6: Final answer
    x = 5,762.07

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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.