Home / 13,740.13-20,611.87-4,853.66

Finding the Fourth Proportional to 13,740.13, 20,611.87 and 4,853.66

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Solution

The fourth proportional to 13,740.13, 20,611.87 and 4,853.66 is: 7,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.13 : 20,611.87 = 4,853.66 : x
  2. Step 2: Convert to fraction form
    13,740.13/20,611.87 = 4,853.66/x
  3. Step 3: Cross multiply
    13,740.13x = 20,611.87 × 4,853.66
  4. Step 4: Simplify right side
    13,740.13x = 100,042,893.75
  5. Step 5: Solve for x
    x = 100,042,893.75/13,740.13
  6. Step 6: Final answer
    x = 7,281.07

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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.