Home / 14,321.56-19,763.70-8,033.92

Finding the Fourth Proportional to 14,321.56, 19,763.70 and 8,033.92

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Solution

The fourth proportional to 14,321.56, 19,763.70 and 8,033.92 is: 11,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.56 : 19,763.70 = 8,033.92 : x
  2. Step 2: Convert to fraction form
    14,321.56/19,763.70 = 8,033.92/x
  3. Step 3: Cross multiply
    14,321.56x = 19,763.70 × 8,033.92
  4. Step 4: Simplify right side
    14,321.56x = 158,779,984.70
  5. Step 5: Solve for x
    x = 158,779,984.70/14,321.56
  6. Step 6: Final answer
    x = 11,086.78

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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.