Home / 18,293.86-27,421.96-7,196.05

Finding the Fourth Proportional to 18,293.86, 27,421.96 and 7,196.05

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Solution

The fourth proportional to 18,293.86, 27,421.96 and 7,196.05 is: 10,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.86 : 27,421.96 = 7,196.05 : x
  2. Step 2: Convert to fraction form
    18,293.86/27,421.96 = 7,196.05/x
  3. Step 3: Cross multiply
    18,293.86x = 27,421.96 × 7,196.05
  4. Step 4: Simplify right side
    18,293.86x = 197,329,795.26
  5. Step 5: Solve for x
    x = 197,329,795.26/18,293.86
  6. Step 6: Final answer
    x = 10,786.67

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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.