Home / 19,735.04-27,234.32-11,353.12

Finding the Fourth Proportional to 19,735.04, 27,234.32 and 11,353.12

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Solution

The fourth proportional to 19,735.04, 27,234.32 and 11,353.12 is: 15,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.04 : 27,234.32 = 11,353.12 : x
  2. Step 2: Convert to fraction form
    19,735.04/27,234.32 = 11,353.12/x
  3. Step 3: Cross multiply
    19,735.04x = 27,234.32 × 11,353.12
  4. Step 4: Simplify right side
    19,735.04x = 309,194,503.08
  5. Step 5: Solve for x
    x = 309,194,503.08/19,735.04
  6. Step 6: Final answer
    x = 15,667.29

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