Home / 27,490.68-41,233.29-12,699.39

Finding the Fourth Proportional to 27,490.68, 41,233.29 and 12,699.39

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Solution

The fourth proportional to 27,490.68, 41,233.29 and 12,699.39 is: 19,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.68 : 41,233.29 = 12,699.39 : x
  2. Step 2: Convert to fraction form
    27,490.68/41,233.29 = 12,699.39/x
  3. Step 3: Cross multiply
    27,490.68x = 41,233.29 × 12,699.39
  4. Step 4: Simplify right side
    27,490.68x = 523,637,361.03
  5. Step 5: Solve for x
    x = 523,637,361.03/27,490.68
  6. Step 6: Final answer
    x = 19,047.81

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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.