Home / 18,036.96-27,027.53-12,501.12

Finding the Fourth Proportional to 18,036.96, 27,027.53 and 12,501.12

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Solution

The fourth proportional to 18,036.96, 27,027.53 and 12,501.12 is: 18,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.96 : 27,027.53 = 12,501.12 : x
  2. Step 2: Convert to fraction form
    18,036.96/27,027.53 = 12,501.12/x
  3. Step 3: Cross multiply
    18,036.96x = 27,027.53 × 12,501.12
  4. Step 4: Simplify right side
    18,036.96x = 337,874,333.33
  5. Step 5: Solve for x
    x = 337,874,333.33/18,036.96
  6. Step 6: Final answer
    x = 18,732.33

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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.