Home / 39,708.32-59,553.84-11,999.84

Finding the Fourth Proportional to 39,708.32, 59,553.84 and 11,999.84

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Solution

The fourth proportional to 39,708.32, 59,553.84 and 11,999.84 is: 17,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.32 : 59,553.84 = 11,999.84 : x
  2. Step 2: Convert to fraction form
    39,708.32/59,553.84 = 11,999.84/x
  3. Step 3: Cross multiply
    39,708.32x = 59,553.84 × 11,999.84
  4. Step 4: Simplify right side
    39,708.32x = 714,636,551.39
  5. Step 5: Solve for x
    x = 714,636,551.39/39,708.32
  6. Step 6: Final answer
    x = 17,997.15

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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.