Home / 18,400.56-27,614.64-13,482.72

Finding the Fourth Proportional to 18,400.56, 27,614.64 and 13,482.72

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Solution

The fourth proportional to 18,400.56, 27,614.64 and 13,482.72 is: 20,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.56 : 27,614.64 = 13,482.72 : x
  2. Step 2: Convert to fraction form
    18,400.56/27,614.64 = 13,482.72/x
  3. Step 3: Cross multiply
    18,400.56x = 27,614.64 × 13,482.72
  4. Step 4: Simplify right side
    18,400.56x = 372,320,459.02
  5. Step 5: Solve for x
    x = 372,320,459.02/18,400.56
  6. Step 6: Final answer
    x = 20,234.19

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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.