Home / 14,526.81-21,793.85-4,138.56

Finding the Fourth Proportional to 14,526.81, 21,793.85 and 4,138.56

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Solution

The fourth proportional to 14,526.81, 21,793.85 and 4,138.56 is: 6,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.81 : 21,793.85 = 4,138.56 : x
  2. Step 2: Convert to fraction form
    14,526.81/21,793.85 = 4,138.56/x
  3. Step 3: Cross multiply
    14,526.81x = 21,793.85 × 4,138.56
  4. Step 4: Simplify right side
    14,526.81x = 90,195,135.16
  5. Step 5: Solve for x
    x = 90,195,135.16/14,526.81
  6. Step 6: Final answer
    x = 6,208.87

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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.