Home / 19,644.56-27,111.84-11,261.04

Finding the Fourth Proportional to 19,644.56, 27,111.84 and 11,261.04

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Solution

The fourth proportional to 19,644.56, 27,111.84 and 11,261.04 is: 15,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.56 : 27,111.84 = 11,261.04 : x
  2. Step 2: Convert to fraction form
    19,644.56/27,111.84 = 11,261.04/x
  3. Step 3: Cross multiply
    19,644.56x = 27,111.84 × 11,261.04
  4. Step 4: Simplify right side
    19,644.56x = 305,307,514.71
  5. Step 5: Solve for x
    x = 305,307,514.71/19,644.56
  6. Step 6: Final answer
    x = 15,541.58

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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.