Home / 19,699.36-27,187.43-11,202.77

Finding the Fourth Proportional to 19,699.36, 27,187.43 and 11,202.77

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Solution

The fourth proportional to 19,699.36, 27,187.43 and 11,202.77 is: 15,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.36 : 27,187.43 = 11,202.77 : x
  2. Step 2: Convert to fraction form
    19,699.36/27,187.43 = 11,202.77/x
  3. Step 3: Cross multiply
    19,699.36x = 27,187.43 × 11,202.77
  4. Step 4: Simplify right side
    19,699.36x = 304,574,537.14
  5. Step 5: Solve for x
    x = 304,574,537.14/19,699.36
  6. Step 6: Final answer
    x = 15,461.14

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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.