Home / 19,693.44-29,514.65-8,000.28

Finding the Fourth Proportional to 19,693.44, 29,514.65 and 8,000.28

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Solution

The fourth proportional to 19,693.44, 29,514.65 and 8,000.28 is: 11,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.44 : 29,514.65 = 8,000.28 : x
  2. Step 2: Convert to fraction form
    19,693.44/29,514.65 = 8,000.28/x
  3. Step 3: Cross multiply
    19,693.44x = 29,514.65 × 8,000.28
  4. Step 4: Simplify right side
    19,693.44x = 236,125,424.10
  5. Step 5: Solve for x
    x = 236,125,424.10/19,693.44
  6. Step 6: Final answer
    x = 11,990.05

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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.