Home / 39,998.13-59,997.19-10,415.88

Finding the Fourth Proportional to 39,998.13, 59,997.19 and 10,415.88

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Solution

The fourth proportional to 39,998.13, 59,997.19 and 10,415.88 is: 15,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.13 : 59,997.19 = 10,415.88 : x
  2. Step 2: Convert to fraction form
    39,998.13/59,997.19 = 10,415.88/x
  3. Step 3: Cross multiply
    39,998.13x = 59,997.19 × 10,415.88
  4. Step 4: Simplify right side
    39,998.13x = 624,923,531.38
  5. Step 5: Solve for x
    x = 624,923,531.38/39,998.13
  6. Step 6: Final answer
    x = 15,623.82

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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.