Home / 14,876.14-20,528.40-8,161.62

Finding the Fourth Proportional to 14,876.14, 20,528.40 and 8,161.62

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Solution

The fourth proportional to 14,876.14, 20,528.40 and 8,161.62 is: 11,262.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.14 : 20,528.40 = 8,161.62 : x
  2. Step 2: Convert to fraction form
    14,876.14/20,528.40 = 8,161.62/x
  3. Step 3: Cross multiply
    14,876.14x = 20,528.40 × 8,161.62
  4. Step 4: Simplify right side
    14,876.14x = 167,545,000.01
  5. Step 5: Solve for x
    x = 167,545,000.01/14,876.14
  6. Step 6: Final answer
    x = 11,262.67

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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.