Home / 13,274.72-19,909.76-4,038.56

Finding the Fourth Proportional to 13,274.72, 19,909.76 and 4,038.56

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Solution

The fourth proportional to 13,274.72, 19,909.76 and 4,038.56 is: 6,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.72 : 19,909.76 = 4,038.56 : x
  2. Step 2: Convert to fraction form
    13,274.72/19,909.76 = 4,038.56/x
  3. Step 3: Cross multiply
    13,274.72x = 19,909.76 × 4,038.56
  4. Step 4: Simplify right side
    13,274.72x = 80,406,760.35
  5. Step 5: Solve for x
    x = 80,406,760.35/13,274.72
  6. Step 6: Final answer
    x = 6,057.13

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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.