Home / 19,985.16-27,579.36-11,032.66

Finding the Fourth Proportional to 19,985.16, 27,579.36 and 11,032.66

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Solution

The fourth proportional to 19,985.16, 27,579.36 and 11,032.66 is: 15,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.16 : 27,579.36 = 11,032.66 : x
  2. Step 2: Convert to fraction form
    19,985.16/27,579.36 = 11,032.66/x
  3. Step 3: Cross multiply
    19,985.16x = 27,579.36 × 11,032.66
  4. Step 4: Simplify right side
    19,985.16x = 304,273,701.90
  5. Step 5: Solve for x
    x = 304,273,701.90/19,985.16
  6. Step 6: Final answer
    x = 15,224.98

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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.