Home / 19,936.56-27,501.48-13,977.12

Finding the Fourth Proportional to 19,936.56, 27,501.48 and 13,977.12

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Solution

The fourth proportional to 19,936.56, 27,501.48 and 13,977.12 is: 19,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.56 : 27,501.48 = 13,977.12 : x
  2. Step 2: Convert to fraction form
    19,936.56/27,501.48 = 13,977.12/x
  3. Step 3: Cross multiply
    19,936.56x = 27,501.48 × 13,977.12
  4. Step 4: Simplify right side
    19,936.56x = 384,391,486.14
  5. Step 5: Solve for x
    x = 384,391,486.14/19,936.56
  6. Step 6: Final answer
    x = 19,280.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.