Home / 13,977.76-20,967.22-4,491.04

Finding the Fourth Proportional to 13,977.76, 20,967.22 and 4,491.04

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Solution

The fourth proportional to 13,977.76, 20,967.22 and 4,491.04 is: 6,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.76 : 20,967.22 = 4,491.04 : x
  2. Step 2: Convert to fraction form
    13,977.76/20,967.22 = 4,491.04/x
  3. Step 3: Cross multiply
    13,977.76x = 20,967.22 × 4,491.04
  4. Step 4: Simplify right side
    13,977.76x = 94,164,623.71
  5. Step 5: Solve for x
    x = 94,164,623.71/13,977.76
  6. Step 6: Final answer
    x = 6,736.75

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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.