Home / 13,494.53-20,241.70-10,380.08

Finding the Fourth Proportional to 13,494.53, 20,241.70 and 10,380.08

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Solution

The fourth proportional to 13,494.53, 20,241.70 and 10,380.08 is: 15,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.53 : 20,241.70 = 10,380.08 : x
  2. Step 2: Convert to fraction form
    13,494.53/20,241.70 = 10,380.08/x
  3. Step 3: Cross multiply
    13,494.53x = 20,241.70 × 10,380.08
  4. Step 4: Simplify right side
    13,494.53x = 210,110,465.34
  5. Step 5: Solve for x
    x = 210,110,465.34/13,494.53
  6. Step 6: Final answer
    x = 15,570.05

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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.