Home / 13,967.72-20,947.10-6,176.36

Finding the Fourth Proportional to 13,967.72, 20,947.10 and 6,176.36

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Solution

The fourth proportional to 13,967.72, 20,947.10 and 6,176.36 is: 9,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.72 : 20,947.10 = 6,176.36 : x
  2. Step 2: Convert to fraction form
    13,967.72/20,947.10 = 6,176.36/x
  3. Step 3: Cross multiply
    13,967.72x = 20,947.10 × 6,176.36
  4. Step 4: Simplify right side
    13,967.72x = 129,376,830.56
  5. Step 5: Solve for x
    x = 129,376,830.56/13,967.72
  6. Step 6: Final answer
    x = 9,262.56

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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.