Home / 36,191.69-54,294.79-12,500.11

Finding the Fourth Proportional to 36,191.69, 54,294.79 and 12,500.11

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Solution

The fourth proportional to 36,191.69, 54,294.79 and 12,500.11 is: 18,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.69 : 54,294.79 = 12,500.11 : x
  2. Step 2: Convert to fraction form
    36,191.69/54,294.79 = 12,500.11/x
  3. Step 3: Cross multiply
    36,191.69x = 54,294.79 × 12,500.11
  4. Step 4: Simplify right side
    36,191.69x = 678,690,742.94
  5. Step 5: Solve for x
    x = 678,690,742.94/36,191.69
  6. Step 6: Final answer
    x = 18,752.67

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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.