Home / 18,244.79-27,377.99-7,714.23

Finding the Fourth Proportional to 18,244.79, 27,377.99 and 7,714.23

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Solution

The fourth proportional to 18,244.79, 27,377.99 and 7,714.23 is: 11,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.79 : 27,377.99 = 7,714.23 : x
  2. Step 2: Convert to fraction form
    18,244.79/27,377.99 = 7,714.23/x
  3. Step 3: Cross multiply
    18,244.79x = 27,377.99 × 7,714.23
  4. Step 4: Simplify right side
    18,244.79x = 211,200,111.80
  5. Step 5: Solve for x
    x = 211,200,111.80/18,244.79
  6. Step 6: Final answer
    x = 11,575.91

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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.