Home / 18,637.62-27,956.67-5,490.27

Finding the Fourth Proportional to 18,637.62, 27,956.67 and 5,490.27

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Solution

The fourth proportional to 18,637.62, 27,956.67 and 5,490.27 is: 8,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.62 : 27,956.67 = 5,490.27 : x
  2. Step 2: Convert to fraction form
    18,637.62/27,956.67 = 5,490.27/x
  3. Step 3: Cross multiply
    18,637.62x = 27,956.67 × 5,490.27
  4. Step 4: Simplify right side
    18,637.62x = 153,489,666.60
  5. Step 5: Solve for x
    x = 153,489,666.60/18,637.62
  6. Step 6: Final answer
    x = 8,235.48

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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.