Home / 18,588.13-27,883.73-5,261.15

Finding the Fourth Proportional to 18,588.13, 27,883.73 and 5,261.15

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Solution

The fourth proportional to 18,588.13, 27,883.73 and 5,261.15 is: 7,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.13 : 27,883.73 = 5,261.15 : x
  2. Step 2: Convert to fraction form
    18,588.13/27,883.73 = 5,261.15/x
  3. Step 3: Cross multiply
    18,588.13x = 27,883.73 × 5,261.15
  4. Step 4: Simplify right side
    18,588.13x = 146,700,486.09
  5. Step 5: Solve for x
    x = 146,700,486.09/18,588.13
  6. Step 6: Final answer
    x = 7,892.16

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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.