Home / 19,388.66-29,085.78-6,236.66

Finding the Fourth Proportional to 19,388.66, 29,085.78 and 6,236.66

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Solution

The fourth proportional to 19,388.66, 29,085.78 and 6,236.66 is: 9,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.66 : 29,085.78 = 6,236.66 : x
  2. Step 2: Convert to fraction form
    19,388.66/29,085.78 = 6,236.66/x
  3. Step 3: Cross multiply
    19,388.66x = 29,085.78 × 6,236.66
  4. Step 4: Simplify right side
    19,388.66x = 181,398,120.69
  5. Step 5: Solve for x
    x = 181,398,120.69/19,388.66
  6. Step 6: Final answer
    x = 9,355.89

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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.