Home / 19,985.00-27,579.34-11,032.51

Finding the Fourth Proportional to 19,985.00, 27,579.34 and 11,032.51

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Solution

The fourth proportional to 19,985.00, 27,579.34 and 11,032.51 is: 15,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.00 : 27,579.34 = 11,032.51 : x
  2. Step 2: Convert to fraction form
    19,985.00/27,579.34 = 11,032.51/x
  3. Step 3: Cross multiply
    19,985.00x = 27,579.34 × 11,032.51
  4. Step 4: Simplify right side
    19,985.00x = 304,269,385.71
  5. Step 5: Solve for x
    x = 304,269,385.71/19,985.00
  6. Step 6: Final answer
    x = 15,224.89

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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.