Home / 19,142.49-28,714.14-5,994.57

Finding the Fourth Proportional to 19,142.49, 28,714.14 and 5,994.57

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Solution

The fourth proportional to 19,142.49, 28,714.14 and 5,994.57 is: 8,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.49 : 28,714.14 = 5,994.57 : x
  2. Step 2: Convert to fraction form
    19,142.49/28,714.14 = 5,994.57/x
  3. Step 3: Cross multiply
    19,142.49x = 28,714.14 × 5,994.57
  4. Step 4: Simplify right side
    19,142.49x = 172,128,922.22
  5. Step 5: Solve for x
    x = 172,128,922.22/19,142.49
  6. Step 6: Final answer
    x = 8,991.98

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Double scale
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Similar ratio
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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.