Home / 19,757.06-29,635.61-8,070.28

Finding the Fourth Proportional to 19,757.06, 29,635.61 and 8,070.28

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Solution

The fourth proportional to 19,757.06, 29,635.61 and 8,070.28 is: 12,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.06 : 29,635.61 = 8,070.28 : x
  2. Step 2: Convert to fraction form
    19,757.06/29,635.61 = 8,070.28/x
  3. Step 3: Cross multiply
    19,757.06x = 29,635.61 × 8,070.28
  4. Step 4: Simplify right side
    19,757.06x = 239,167,670.67
  5. Step 5: Solve for x
    x = 239,167,670.67/19,757.06
  6. Step 6: Final answer
    x = 12,105.43

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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.