Home / 39,486.97-59,239.82-11,784.25

Finding the Fourth Proportional to 39,486.97, 59,239.82 and 11,784.25

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Solution

The fourth proportional to 39,486.97, 59,239.82 and 11,784.25 is: 17,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.97 : 59,239.82 = 11,784.25 : x
  2. Step 2: Convert to fraction form
    39,486.97/59,239.82 = 11,784.25/x
  3. Step 3: Cross multiply
    39,486.97x = 59,239.82 × 11,784.25
  4. Step 4: Simplify right side
    39,486.97x = 698,096,848.84
  5. Step 5: Solve for x
    x = 698,096,848.84/39,486.97
  6. Step 6: Final answer
    x = 17,679.17

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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.