Home / 18,467.79-27,703.59-5,987.31

Finding the Fourth Proportional to 18,467.79, 27,703.59 and 5,987.31

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Solution

The fourth proportional to 18,467.79, 27,703.59 and 5,987.31 is: 8,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.79 : 27,703.59 = 5,987.31 : x
  2. Step 2: Convert to fraction form
    18,467.79/27,703.59 = 5,987.31/x
  3. Step 3: Cross multiply
    18,467.79x = 27,703.59 × 5,987.31
  4. Step 4: Simplify right side
    18,467.79x = 165,869,981.44
  5. Step 5: Solve for x
    x = 165,869,981.44/18,467.79
  6. Step 6: Final answer
    x = 8,981.58

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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.