Home / 18,470.42-27,710.00-5,990.45

Finding the Fourth Proportional to 18,470.42, 27,710.00 and 5,990.45

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Solution

The fourth proportional to 18,470.42, 27,710.00 and 5,990.45 is: 8,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.42 : 27,710.00 = 5,990.45 : x
  2. Step 2: Convert to fraction form
    18,470.42/27,710.00 = 5,990.45/x
  3. Step 3: Cross multiply
    18,470.42x = 27,710.00 × 5,990.45
  4. Step 4: Simplify right side
    18,470.42x = 165,995,201.00
  5. Step 5: Solve for x
    x = 165,995,201.00/18,470.42
  6. Step 6: Final answer
    x = 8,987.09

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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.