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Finding the Fourth Proportional to 15,998.10, 23,997.15 and 15,090.90

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Solution

The fourth proportional to 15,998.10, 23,997.15 and 15,090.90 is: 22,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.10 : 23,997.15 = 15,090.90 : x
  2. Step 2: Convert to fraction form
    15,998.10/23,997.15 = 15,090.90/x
  3. Step 3: Cross multiply
    15,998.10x = 23,997.15 × 15,090.90
  4. Step 4: Simplify right side
    15,998.10x = 362,138,590.94
  5. Step 5: Solve for x
    x = 362,138,590.94/15,998.10
  6. Step 6: Final answer
    x = 22,636.35

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Half scale
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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.