Home / 19,985.56-27,580.08-11,033.06

Finding the Fourth Proportional to 19,985.56, 27,580.08 and 11,033.06

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Solution

The fourth proportional to 19,985.56, 27,580.08 and 11,033.06 is: 15,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.56 : 27,580.08 = 11,033.06 : x
  2. Step 2: Convert to fraction form
    19,985.56/27,580.08 = 11,033.06/x
  3. Step 3: Cross multiply
    19,985.56x = 27,580.08 × 11,033.06
  4. Step 4: Simplify right side
    19,985.56x = 304,292,677.44
  5. Step 5: Solve for x
    x = 304,292,677.44/19,985.56
  6. Step 6: Final answer
    x = 15,225.63

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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.