Home / 14,847.15-20,491.71-11,089.14

Finding the Fourth Proportional to 14,847.15, 20,491.71 and 11,089.14

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Solution

The fourth proportional to 14,847.15, 20,491.71 and 11,089.14 is: 15,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.15 : 20,491.71 = 11,089.14 : x
  2. Step 2: Convert to fraction form
    14,847.15/20,491.71 = 11,089.14/x
  3. Step 3: Cross multiply
    14,847.15x = 20,491.71 × 11,089.14
  4. Step 4: Simplify right side
    14,847.15x = 227,235,441.03
  5. Step 5: Solve for x
    x = 227,235,441.03/14,847.15
  6. Step 6: Final answer
    x = 15,304.99

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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.