Home / 18,316.01-27,475.64-9,992.45

Finding the Fourth Proportional to 18,316.01, 27,475.64 and 9,992.45

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Solution

The fourth proportional to 18,316.01, 27,475.64 and 9,992.45 is: 14,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.01 : 27,475.64 = 9,992.45 : x
  2. Step 2: Convert to fraction form
    18,316.01/27,475.64 = 9,992.45/x
  3. Step 3: Cross multiply
    18,316.01x = 27,475.64 × 9,992.45
  4. Step 4: Simplify right side
    18,316.01x = 274,548,958.92
  5. Step 5: Solve for x
    x = 274,548,958.92/18,316.01
  6. Step 6: Final answer
    x = 14,989.56

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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.