Home / 13,741.49-20,618.04-6,727.70

Finding the Fourth Proportional to 13,741.49, 20,618.04 and 6,727.70

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Solution

The fourth proportional to 13,741.49, 20,618.04 and 6,727.70 is: 10,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.49 : 20,618.04 = 6,727.70 : x
  2. Step 2: Convert to fraction form
    13,741.49/20,618.04 = 6,727.70/x
  3. Step 3: Cross multiply
    13,741.49x = 20,618.04 × 6,727.70
  4. Step 4: Simplify right side
    13,741.49x = 138,711,987.71
  5. Step 5: Solve for x
    x = 138,711,987.71/13,741.49
  6. Step 6: Final answer
    x = 10,094.39

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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.