Home / 27,177.30-37,507.80-18,102.18

Finding the Fourth Proportional to 27,177.30, 37,507.80 and 18,102.18

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Solution

The fourth proportional to 27,177.30, 37,507.80 and 18,102.18 is: 24,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.30 : 37,507.80 = 18,102.18 : x
  2. Step 2: Convert to fraction form
    27,177.30/37,507.80 = 18,102.18/x
  3. Step 3: Cross multiply
    27,177.30x = 37,507.80 × 18,102.18
  4. Step 4: Simplify right side
    27,177.30x = 678,972,947.00
  5. Step 5: Solve for x
    x = 678,972,947.00/27,177.30
  6. Step 6: Final answer
    x = 24,983.09

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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.