Home / 19,652.56-27,100.16-15,177.04

Finding the Fourth Proportional to 19,652.56, 27,100.16 and 15,177.04

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Solution

The fourth proportional to 19,652.56, 27,100.16 and 15,177.04 is: 20,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.56 : 27,100.16 = 15,177.04 : x
  2. Step 2: Convert to fraction form
    19,652.56/27,100.16 = 15,177.04/x
  3. Step 3: Cross multiply
    19,652.56x = 27,100.16 × 15,177.04
  4. Step 4: Simplify right side
    19,652.56x = 411,300,212.33
  5. Step 5: Solve for x
    x = 411,300,212.33/19,652.56
  6. Step 6: Final answer
    x = 20,928.58

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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.