Home / 18,056.96-27,076.80-7,663.04

Finding the Fourth Proportional to 18,056.96, 27,076.80 and 7,663.04

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Solution

The fourth proportional to 18,056.96, 27,076.80 and 7,663.04 is: 11,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.96 : 27,076.80 = 7,663.04 : x
  2. Step 2: Convert to fraction form
    18,056.96/27,076.80 = 7,663.04/x
  3. Step 3: Cross multiply
    18,056.96x = 27,076.80 × 7,663.04
  4. Step 4: Simplify right side
    18,056.96x = 207,490,601.47
  5. Step 5: Solve for x
    x = 207,490,601.47/18,056.96
  6. Step 6: Final answer
    x = 11,490.89

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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.