Home / 14,272.56-19,694.55-8,305.41

Finding the Fourth Proportional to 14,272.56, 19,694.55 and 8,305.41

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Solution

The fourth proportional to 14,272.56, 19,694.55 and 8,305.41 is: 11,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.56 : 19,694.55 = 8,305.41 : x
  2. Step 2: Convert to fraction form
    14,272.56/19,694.55 = 8,305.41/x
  3. Step 3: Cross multiply
    14,272.56x = 19,694.55 × 8,305.41
  4. Step 4: Simplify right side
    14,272.56x = 163,571,312.52
  5. Step 5: Solve for x
    x = 163,571,312.52/14,272.56
  6. Step 6: Final answer
    x = 11,460.54

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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.