Home / 14,589.83-20,136.96-9,491.72

Finding the Fourth Proportional to 14,589.83, 20,136.96 and 9,491.72

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Solution

The fourth proportional to 14,589.83, 20,136.96 and 9,491.72 is: 13,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.83 : 20,136.96 = 9,491.72 : x
  2. Step 2: Convert to fraction form
    14,589.83/20,136.96 = 9,491.72/x
  3. Step 3: Cross multiply
    14,589.83x = 20,136.96 × 9,491.72
  4. Step 4: Simplify right side
    14,589.83x = 191,134,385.97
  5. Step 5: Solve for x
    x = 191,134,385.97/14,589.83
  6. Step 6: Final answer
    x = 13,100.52

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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.