Home / 13,601.68-20,360.12-10,473.56

Finding the Fourth Proportional to 13,601.68, 20,360.12 and 10,473.56

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Solution

The fourth proportional to 13,601.68, 20,360.12 and 10,473.56 is: 15,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.68 : 20,360.12 = 10,473.56 : x
  2. Step 2: Convert to fraction form
    13,601.68/20,360.12 = 10,473.56/x
  3. Step 3: Cross multiply
    13,601.68x = 20,360.12 × 10,473.56
  4. Step 4: Simplify right side
    13,601.68x = 213,242,938.43
  5. Step 5: Solve for x
    x = 213,242,938.43/13,601.68
  6. Step 6: Final answer
    x = 15,677.69

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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.