Home / 13,039.38-18,002.61-10,049.67

Finding the Fourth Proportional to 13,039.38, 18,002.61 and 10,049.67

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Solution

The fourth proportional to 13,039.38, 18,002.61 and 10,049.67 is: 13,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.38 : 18,002.61 = 10,049.67 : x
  2. Step 2: Convert to fraction form
    13,039.38/18,002.61 = 10,049.67/x
  3. Step 3: Cross multiply
    13,039.38x = 18,002.61 × 10,049.67
  4. Step 4: Simplify right side
    13,039.38x = 180,920,289.64
  5. Step 5: Solve for x
    x = 180,920,289.64/13,039.38
  6. Step 6: Final answer
    x = 13,874.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.