Home / 13,989.72-19,305.46-8,024.92

Finding the Fourth Proportional to 13,989.72, 19,305.46 and 8,024.92

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Solution

The fourth proportional to 13,989.72, 19,305.46 and 8,024.92 is: 11,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.72 : 19,305.46 = 8,024.92 : x
  2. Step 2: Convert to fraction form
    13,989.72/19,305.46 = 8,024.92/x
  3. Step 3: Cross multiply
    13,989.72x = 19,305.46 × 8,024.92
  4. Step 4: Simplify right side
    13,989.72x = 154,924,772.06
  5. Step 5: Solve for x
    x = 154,924,772.06/13,989.72
  6. Step 6: Final answer
    x = 11,074.19

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.