Home / 27,475.66-37,923.69-18,979.30

Finding the Fourth Proportional to 27,475.66, 37,923.69 and 18,979.30

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Solution

The fourth proportional to 27,475.66, 37,923.69 and 18,979.30 is: 26,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.66 : 37,923.69 = 18,979.30 : x
  2. Step 2: Convert to fraction form
    27,475.66/37,923.69 = 18,979.30/x
  3. Step 3: Cross multiply
    27,475.66x = 37,923.69 × 18,979.30
  4. Step 4: Simplify right side
    27,475.66x = 719,765,089.62
  5. Step 5: Solve for x
    x = 719,765,089.62/27,475.66
  6. Step 6: Final answer
    x = 26,196.46

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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.