Home / 17,090.40-25,635.60-7,227.12

Finding the Fourth Proportional to 17,090.40, 25,635.60 and 7,227.12

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Solution

The fourth proportional to 17,090.40, 25,635.60 and 7,227.12 is: 10,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.40 : 25,635.60 = 7,227.12 : x
  2. Step 2: Convert to fraction form
    17,090.40/25,635.60 = 7,227.12/x
  3. Step 3: Cross multiply
    17,090.40x = 25,635.60 × 7,227.12
  4. Step 4: Simplify right side
    17,090.40x = 185,271,557.47
  5. Step 5: Solve for x
    x = 185,271,557.47/17,090.40
  6. Step 6: Final answer
    x = 10,840.68

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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.