Home / 18,261.56-27,320.28-13,832.02

Finding the Fourth Proportional to 18,261.56, 27,320.28 and 13,832.02

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Solution

The fourth proportional to 18,261.56, 27,320.28 and 13,832.02 is: 20,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.56 : 27,320.28 = 13,832.02 : x
  2. Step 2: Convert to fraction form
    18,261.56/27,320.28 = 13,832.02/x
  3. Step 3: Cross multiply
    18,261.56x = 27,320.28 × 13,832.02
  4. Step 4: Simplify right side
    18,261.56x = 377,894,659.37
  5. Step 5: Solve for x
    x = 377,894,659.37/18,261.56
  6. Step 6: Final answer
    x = 20,693.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.