Home / 27,543.33-38,012.09-15,608.79

Finding the Fourth Proportional to 27,543.33, 38,012.09 and 15,608.79

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Solution

The fourth proportional to 27,543.33, 38,012.09 and 15,608.79 is: 21,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.33 : 38,012.09 = 15,608.79 : x
  2. Step 2: Convert to fraction form
    27,543.33/38,012.09 = 15,608.79/x
  3. Step 3: Cross multiply
    27,543.33x = 38,012.09 × 15,608.79
  4. Step 4: Simplify right side
    27,543.33x = 593,322,652.23
  5. Step 5: Solve for x
    x = 593,322,652.23/27,543.33
  6. Step 6: Final answer
    x = 21,541.43

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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.